Cereal: Difference between revisions

Latest revision as of 19:09, 21 May 2026

File:Unload wheat by the combine Claas Lexion 584.jpg

Harvesting a cereal with a combine harvester accompanied by a tractor and trailer.

File:Les Plantes Cultivades. Cereals. Imatge 119.jpg

Cereal grains: (top) pearl millet, rice, barley
(middle) sorghum, maize, oats
(bottom) millet, wheat, rye, triticale

A cereal is a grass (family Poaceae) cultivated for its edible grain. Cereals are the world's largest crops, and are therefore staple foods. They include rice, wheat (UK: corn), rye, oats, barley, millet, and maize (US: corn). Edible grains from other plant families, such as amaranth, buckwheat and quinoa, are pseudocereals (Eudicots). Most cereals are annuals, producing one crop from each planting, though rice is sometimes grown as a perennial. Winter varieties are hardy enough to be planted in the autumn, becoming dormant in the winter, and harvested in spring or early summer; spring varieties are planted in spring and harvested in late summer. The term cereal is derived from the name of the Roman goddess of grain crops and fertility, Ceres.

Cereals were domesticated in the Neolithic around 8,000 years ago. Wheat and barley were domesticated in the Fertile Crescent. Rice and some millets were domesticated in East Asia, while sorghum and other millets were domesticated in Sudan.^[1] Maize was domesticated by Indigenous peoples of the Americas in Mexico about 9,000 years ago. In the 20th century, cereal productivity was greatly increased by the Green Revolution. This increase in production has accompanied a growing international trade, with some countries producing large portions of the cereal supply for other countries.

Cereals provide food eaten directly as whole grains, usually cooked, or they are ground to flour and made into bread, porridge, and other products. Cereals have a high starch content, enabling them to be fermented into alcoholic drinks such as beer. Cereal farming has a substantial environmental impact, and is often produced in high-intensity monocultures. The environmental harms can be mitigated by sustainable practices which reduce the impact on soil and improve biodiversity, such as no-till farming and intercropping.

History

Origins

File:Trilla del trigo en el Antiguo Egipto.jpg

Threshing of grain in ancient Egypt

Wheat, barley, rye, and oats were gathered and eaten in the Fertile Crescent during the early Neolithic. Cereal grains 19,000 years old have been found at the Ohalo II site in Israel, with charred remnants of wild wheat and barley.^[2]

During the same period, farmers in China began to farm rice and millet, using human-made floods and fires as part of their cultivation regimen.^[3]^[4] The use of soil conditioners, including manure, fish, compost and ashes, appears to have begun early, and developed independently in areas of the world including Mesopotamia, the Nile Valley, and Eastern Asia.^[5]

Cereals that became modern barley and wheat were domesticated some 8,000 years ago in the Fertile Crescent.^[6] Millets and rice were domesticated in East Asia, while sorghum was domesticated in Sudan.^[1] Maize arose from a single domestication in Mesoamerica about 9,000 years ago.^[7]

File:Roman harvester, Trier.jpg

Roman harvesting machine

In these agricultural regions, religion was often shaped by the divinity associated with the grain and harvests. In the Mesopotamian creation myth, an era of civilization is inaugurated by the grain goddess Ashnan.^[8] The Roman goddess Ceres presided over agriculture, grain crops, fertility, and motherhood;^[9] the term cereal is derived from Latin cerealis, "of grain", originally meaning "of [the goddess] Ceres".^[10] Several gods of antiquity combined agriculture and war: the Hittite Sun goddess of Arinna, the Canaanite Lahmu and the Roman Janus.^[11]

Complex civilizations arose where cereal agriculture created a surplus, allowing for part of the harvest to be appropriated from farmers, allowing power to be concentrated in cities.^[12]

Modern

File:Punjab Monsoon (cropped).jpg

Rice fields in India. India's participation in the Green Revolution helped resolve food shortages in the mid-twentieth century.^[13]^[14]

Between 1964 and 2023, cereal production increased by 213%, mostly through higher yields: harvested area rose only by 10%.^[15] Yields of wheat and rice rose in the Green Revolution, a technological change funded by development organizations.^[16] The strategies included mechanized tilling, monoculture, nitrogen fertilizers, and breeding of new strains of seeds. These innovations fended off starvation and increased yield-per-plant, but paid less attention to nutritional quality.^[17] The high-yield cereal crops tend to have low-quality proteins, with essential amino acid deficiencies, are high in carbohydrates, and lack balanced essential fatty acids, vitamins, and minerals.^[17] So-called ancient grains and heirloom varieties grew in popularity with the "organic" movements of the early 21st century, but there is a tradeoff in yield-per-plant, putting pressure on resource-poor areas as food crops are replaced with cash crops.^[18]

Grain-based foods are fundamental dietary staples in many regions worldwide, serving as primary sources of energy and essential nutrients. Consequently, reductions in cereal production are the most significant contributors to losses in energy and essential micronutrients such as iron, zinc, magnesium, phosphorus, thiamin and riboflavin.^[19]

Biology

File:Triticum aestivum - Köhler–s Medizinal-Pflanzen-274.jpg

Structure of a cereal, wheat. A: Plant; B ripe ear of grains; 1 spikelet before flowering; 2 the same, flowering and spread, enlarged; 3 flowers with glumes; 4 stamens 5 pollen; 6 and 7 ovaries with juice scales; 8 and 9 parts of the scar; 10 fruit husks; 11–14 grains, natural size and enlarged.

Cereals are grasses, in the Poaceae family, that produce edible grains. A cereal grain is botanically a caryopsis, a fruit where the seed coat is fused with the pericarp.^[20]^[21] Grasses have stems that are hollow except at the nodes and narrow alternate leaves borne in two ranks.^[22] The lower part of each leaf encloses the stem, forming a leaf-sheath. The leaf grows from the base of the blade, an adaptation that protects the growing meristem from grazing animals.^[22]^[23] The flowers are usually hermaphroditic, with the exception of maize, and mainly anemophilous or wind-pollinated, although insects occasionally play a role.^[22]^[24]

Among the best-known cereals are maize, rice, wheat, barley, sorghum, millet, oat, rye and triticale.^[25] Some other grains are colloquially called cereals, even though they are not grasses; these pseudocereals include buckwheat, quinoa, and amaranth.^[26]

Cultivation

File:Sources of variation in cereal production, 1964–2023.svg

Sources of variation in cereal production, 1964–2023.

All cereal crops are cultivated in a similar way. Most are annual, so after sowing they are harvested just once.^[27] An exception is rice, which although usually treated as an annual can survive as a perennial, producing a ratoon crop.^[28] Cereals adapted to a temperate climate, such as barley, oats, rye, spelt, triticale, and wheat, are called cool-season cereals. Those preferring a tropical climate, such as millet and sorghum, are called warm-season cereals.^[27]^[29]^[30] Cool-season cereals, especially rye, followed by barley, are hardy; they grow best in fairly cool weather, and stop growing, depending on variety, when the temperature goes above around 30 °C or 85 °F. Warm-season cereals, in contrast, require hot weather and cannot tolerate frost.^[27] Cool-season cereals can be grown in highlands in the tropics, where they sometimes deliver several crops in a single year.^[27]

Planting

File:Green rice sheaves planted in a paddy field with long shadows at golden hour in Don Det Laos.jpg

Newly planted rice in a paddy field

In the tropics, warm-season cereals can be grown at any time of the year. In temperate zones, these cereals can only be grown when there is no frost. Most cereals are planted in tilled soils, which reduces weeds and breaks up the surface of a field. Most cereals need regular water in the early part of their life cycle. Rice is commonly grown in flooded fields,^[31] though some strains are grown on dry land.^[32] Other warm climate cereals, such as sorghum, are adapted to arid conditions.^[33]

Cool-season cereals are grown mainly in temperate zones. These cereals often have both winter varieties for autumn sowing, winter dormancy, and early summer harvesting, and spring varieties planted in spring and harvested in late summer. Winter varieties have the advantage of using water when it is plentiful, and permitting a second crop after the early harvest. They flower only in spring as they require vernalization, exposure to cold for a specific period, fixed genetically. Spring crops grow when it is warmer but less rainy, so they may need irrigation.^[27]

Growth

File:Wheat scab.jpg

Fusarium graminearum damages many cereals, here wheat, where it causes wheat scab (right).

Cereal strains are bred for consistency and resilience to the local environmental conditions. The greatest constraint on yield are plant diseases, especially rusts (mostly the Puccinia spp.) and powdery mildews.^[34] Fusarium head blight, caused by Fusarium graminearum, is a significant limitation on a wide variety of cereals.^[35] Other pressures include pest insects and wildlife like rodents and deer.^[36]^[37] In conventional agriculture, some farmers apply fungicides or pesticides.

Harvesting

Annual cereals die when they have come to seed, and dry up. Harvesting begins once the plants and seeds are dry enough. Harvesting in mechanized agricultural systems is by combine harvester, a machine which drives across the field in a single pass in which it cuts the stalks and then threshes and winnows the grain.^[27]^[38] In traditional agricultural systems, mostly in the Global South, harvesting may be by hand, using tools such as scythes and grain cradles.^[27] Leftover parts of the plant can be allowed to decompose, or collected as straw; this can be used for animal bedding, mulch, and a growing medium for mushrooms.^[39] It is used in crafts such as building with cob or straw-bale construction.^[40]

A small-scale rice combine harvester in Japan

A small-scale rice combine harvester in Japan

Preprocessing and storage

If cereals are not completely dry when harvested, such as when the weather is rainy, the stored grain will be spoilt by mould fungi such as Aspergillus and Penicillium.^[27]^[41] This can be prevented by drying it artificially. It may then be stored in a grain elevator or silo, to be sold later. Grain stores need to be constructed to protect the grain from damage by pests such as seed-eating birds and rodents.^[27]

Peeling maize in Zambia

Peeling maize in Zambia
Grain elevators on a farm in Israel

Grain elevators on a farm in Israel

Processing

File:Mexican woman maize tortillas.jpg

An indigenous Mexican woman prepares maize tortillas, 2013

When the cereal is ready to be distributed, it is sold to a manufacturing facility that first removes the outer layers of the grain for subsequent milling for flour or other processing steps, to produce foods such as flour, oatmeal, or pearl barley.^[42] In developing countries, processing may be traditional, in artisanal workshops, as with tortilla production in Central America.^[43]

Most cereals can be processed in a variety of ways. Rice processing, for instance, can create whole-grain or polished rice, or rice flour. Removal of the germ increases the longevity of grain in storage.^[44] Some grains can be malted, a process of activating enzymes in the seed to cause sprouting that turns the complex starches into sugars before drying.^[45] These sugars can be extracted for industrial uses and further processing, such as for making industrial alcohol,^[46] beer,^[47] whisky,^[48] or rice wine,^[49] or sold directly as a sugar.^[50] In the 20th century, industrial processes developed around chemically altering the grain, to be used for other processes. In particular, maize can be altered to produce food additives, such as corn starch^[51] and high-fructose corn syrup.^[52]

Effects on the environment

Impacts

File:Harvesting Cycle 2 Thinopyrum intermedium.jpg

Harvesting kernza, a perennial cereal developed in the 21st century. Because it grows back every year, farmers no longer have to till the soil.

Cereal production has a substantial impact on the environment. Tillage can lead to soil erosion and increased runoff.^[53] Irrigation consumes large quantities of water; its extraction from lakes, rivers, or aquifers may have multiple environmental effects, such as lowering the water table and cause salination of aquifers.^[54] Fertilizer production contributes to global warming,^[55] and its use can lead to pollution and eutrophication of waterways.^[56] Arable farming uses large amounts of fossil fuel, releasing greenhouse gases which contribute to global warming.^[57] Pesticide usage can cause harm to wildlife, such as to bees.^[58]

Mitigations

File:Great Soil Structure in Stehly Crop Field in Eastern, SD (21480483232).jpg

Excellent soil structure in land in South Dakota with no-till farming using a crop rotation of maize, soybeans, and wheat accompanied by cover crops. The main crop has been harvested but the roots of the cover crop are still visible in autumn.

Some of the impacts of growing cereals can be mitigated by changing production practices. Tillage can be reduced by no-till farming, such as by direct drilling of cereal seeds, or by developing and planting perennial crop varieties so that annual tilling is not required. Rice can be grown as a ratoon crop;^[28] and other researchers are exploring perennial cool-season cereals, such as kernza, being developed in the US.^[59]

Fertilizer and pesticide usage may be reduced in some polycultures, growing several crops in a single field at the same time.^[60] Fossil fuel-based nitrogen fertilizer usage can be reduced by intercropping cereals with legumes which fix nitrogen.^[61] Greenhouse gas emissions may be cut further by more efficient irrigation or by water harvesting methods like contour trenching that reduce the need for irrigation, and by breeding new crop varieties.^[62]

Uses

Direct consumption

Some cereals such as rice require little preparation before human consumption. For example, to make plain cooked rice, raw milled rice is washed and boiled.^[63] Foods such as porridge^[64] and muesli may be made largely of whole cereals, especially oats, whereas commercial breakfast cereals such as granola may be highly processed and combined with sugars, oils, and other products.^[65]

Flour-based foods

File:Various grains.jpg

Various cereals and their products

Cereals can be ground to make flour. Wheat flour is the main ingredient of bread and pasta.^[66]^[67]^[68] Maize flour has been important in Mesoamerica since ancient times, with foods such as Mexican tortillas and tamales.^[69] Rye flour is a constituent of bread in central and northern Europe,^[70] while rice flour is common in Asia.^[71]

A cereal grain consists of starchy endosperm, germ, and bran. Wholemeal flour contains all of these; white flour is without some or all of the germ or bran.^[72]^[73]

Alcohol

Because cereals have a high starch content, they are often used to make industrial alcohol^[46] and alcoholic drinks by fermentation. For instance, beer is produced by brewing and fermenting starch, mainly from cereal grains—most commonly malted barley.^[47] Rice wines such as Japanese sake are brewed in Asia;^[74] a fermented rice and honey wine was made in China some 9,000 years ago.^[49]

Animal feed

Template:Owidslider

File:Chickens feeding.jpg

Chickens eating cereal-rich feed^[75]

Cereals and their related byproducts such as hay are routinely fed to farm animals. Common cereals as animal food include maize, barley, wheat, and oats. Moist grains may be treated chemically or made into silage; mechanically flattened or crimped, and kept in airtight storage until used; or stored dry with a moisture content of less than 14%.^[76] Commercially, grains are often combined with other materials and formed into feed pellets.^[77]

Nutrition

Whole-grain and processed

File:Home made whole grain bread.jpg

Whole grains as used in this bread have more of the original seed, making them more nutritious but more prone to spoilage in storage.^[78]

As whole grains, cereals provide carbohydrates, polyunsaturated fats, protein, vitamins, and minerals. When processed by the removal of the bran and germ, all that remains is the starchy endosperm.^[72] Nutrients added to cereal during nutritional fortification include iron, calcium, zinc, and folate.^[79] In some developing countries, cereals constitute a majority of daily sustenance. In developed countries, cereal consumption is moderate and varied but still substantial, primarily in the form of refined and processed grains.^[80]

Amino acid balance

Some cereals are deficient in the essential amino acid lysine, obliging vegetarian cultures to combine their diet of cereal grains with legumes to obtain a balanced diet. Many legumes, however, are deficient in the essential amino acid methionine, which grains contain. Thus, a combination of legumes with grains forms a well-balanced diet for vegetarians. Such combinations include dal (lentils) with rice by South Indians and Bengalis, beans with maize tortillas, tofu with rice, and peanut butter with wholegrain wheat bread (as sandwiches) in several other cultures, including the Americas.^[81] For feeding animals, the amount of crude protein measured in grains is expressed as grain crude protein concentration.^[82]

Comparison of major cereals

Template:Table alignment

Nutritional values for some major cereals^[83]
Per 45g serving		Barley	Maize	Millet	Oats	Rice	Rye	Sorgh.	Wheat
Energy	kcal	159	163	170	175	165	152	148	153
Protein	g	5.6	3.6	5.0	7.6	3.4	4.6	4.8	6.1
Lipid	g	1	1.6	1.9	3.1	1.4	0.7	1.6	1.1
Carbohydrate	g	33	35	31	30	31	34	32	32
Fibre	g	7.8	3.3	3.8	4.8	1.6	6.8	3.0	4.8

Calcium	mg	15	3	4	24	4	11	6	15
Iron	mg	1.6	1.5	1.3	2.1	0.6	1.2	1.5	1.6
Magnesium	mg	60	57	51	80	52	50	74	65
Phosphorus	mg	119	108	128	235	140	149	130	229
Potassium	mg	203	129	88	193	112	230	163	194
Sodium	mg	5	16	2	1	2	1	1	1
Zinc	mg	1.2	0.8	0.8	1.8	1.0	1.2	0.7	1.9

Thiamine (B1)	mg	0.29	0.17	0.19	0.34	0.24	0.14	0.15	0.19
Riboflavin (B2)	mg	0.13	0.09	0.13	0.06	0.04	0.11	0.04	0.05
Niacin (B3)	mg	2	1.6	2.1	0.4	2.9	1.9	1.7	3.0
Pantothenic acid (B5)	mg	0.1	0.2	0.4	0.6	0.7	0.7	0.2	0.4
Pyridoxine (B6)	mg	0.1	0.1	0.2	0.05	0.2	0.1	0.2	0.2
Folic acid (B9)	mcg	9	11	38	25	10	17	9	19

Production and trade commodities

File:Starokostiantyniv Grain Elevator after Russian missile attack, 2023-08-06 (01).jpg

A grain elevator on fire in Ukraine, 2023. The Russian invasion of Ukraine disrupted its wheat exports and the global cereal trade.

Cereals constitute the world's largest commodities by tonnage, whether measured by production^[84] or by international trade. Several major producers of cereals dominate the market.^[85] Because of the scale of the trade, some countries have become reliant on imports, thus cereals pricing or availability can have outsized impacts on countries with a food trade imbalance and thus food security.^[86] Speculation, as well as other compounding production and supply factors leading up to the 2008 financial crisis, created rapid inflation of grain prices during the 2007–2008 world food price crisis.^[87] Other disruptions, such as climate change or war related changes to supply or transportation can create further food insecurity; for example the Russian invasion of Ukraine in 2022 disrupted Ukrainian and Russian wheat supplies causing a global food price crisis in 2022 that affected countries heavily dependent on wheat flour.^[88]^[89]^[90]^[91]

Production

File:World Primary Crops Harvested Area By Commodity Group.svg

World Primary Crops Harvested Area By Commodity Group

Cereals are the world's largest crops by tonnage of grain produced.^[84] Three cereals, maize, wheat, and rice, together accounted for 89% of all cereal production worldwide in 2012, and 43% of the global supply of food energy in 2009,^[92] while the production of oats and rye has drastically fallen from their 1960s levels.^[93]

Other cereals not included in the U.N.'s Food and Agriculture Organization statistics include wild rice, which is grown in small amounts in North America, and teff, an ancient grain that is a staple in Ethiopia.^[94] Teff is grown in sub-Saharan Africa as a grass primarily for feeding horses. It is high in fiber and protein. Its flour is often used to make injera. It can be eaten as a warm breakfast cereal like farina with a chocolate or nutty flavor.^[94]

Template:Owidslider

The table shows the annual production of cereals in 1961, 1980, 2000, 2010, and 2019/2020.^{[lower-alpha 1]}^[95]^[93]

Template:Table alignment

Grain	Worldwide production (millions of metric tons)					Notes
Grain	1961	1980	2000	2010	2019/20	Notes
Maize (corn)	205	397	592	852	1,148	A staple food of people in the Americas, Africa, and of livestock worldwide; often called corn in North America, Australia, and New Zealand. A large portion of maize crops are grown for purposes other than human consumption.^[94]
Rice^{[lower-alpha 2]} Production is in milled terms.	285	397	599	697	755	The primary cereal of tropical and some temperate regions. Staple food in most of Brazil, other parts of Latin America and some other Portuguese-descended cultures, parts of Africa (even more before the Columbian exchange), most of South Asia and the Far East. Largely overridden by breadfruit (a dicot tree) during the South Pacific's part of the Austronesian expansion.^[94]
Wheat	222	440	585	641	768	The primary cereal of temperate regions. It has a worldwide consumption but it is a staple food of North America, Europe, Australia, New Zealand, Argentina, Brazil and much of the Greater Middle East. Wheat gluten-based meat substitutes are important in the Far East (albeit less than tofu) and are said to resemble meat texture more than others.^[94]
Barley	72	157	133	123	159	Grown for malting and livestock on land too poor or too cold for wheat.^[94]
Sorghum	41	57	56	60	58	Important staple food in Asia and Africa and popular worldwide for livestock.^[94]
Millet	26	25	28	33	28	A group of similar cereals that form an important staple food in Asia and Africa.^[94]
Oats	50	41	26	20	23	Popular worldwide as a breakfast food, such as in porridge, and livestock feed.^[96]
Triticale	0	0.17	9	14	—	Hybrid of wheat and rye, grown similarly to rye.^[94]
Rye	35	25	20	12	13	Important in cold climates. Rye grain is used for flour, bread, beer, crispbread, some whiskeys, some vodkas, and animal fodder.^[94]
Fonio	0.18	0.15	0.31	0.56	—	Several varieties are grown as food crops in Africa.^[94]

Trade

File:Bulk carrier arriving in port (cropped).jpg

A bulk grain ship, 2006

Cereals are the most traded commodities by quantity in 2021, with wheat, maize, and rice the main cereals involved. The Americas and Europe are the largest exporters, and Asia is the largest importer.^[85] The largest exporter of maize is the US, while India is the largest exporter of rice. China is the largest importer of maize and of rice. Many other countries trade cereals, both as exporters and as importers.^[85] Cereals are traded as futures on world commodity markets, helping to mitigate the risks of changes in price for example, if harvests fail.^[97]

File:Main Traded Cereals, Top Importers And Exporters (Quantities, 2021).svg

Notes

↑ 1961 is the earliest year for which FAO statistics are available.
↑ The weight given is for paddy rice

References

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@@ Line 1: / Line 1: @@
 {{Short description|Grass that has edible grain}}
 {{hatnote group|
-{{For-multi|the food|Breakfast cereal|other uses|Cereal (disambiguation)}}
+{{For-multi|the Western breakfast food|Breakfast cereal|other uses|Cereal (disambiguation)}}
 {{distinguish|Serial (disambiguation)}}
 }}
 {{good article}}
@@ Line 10: / Line 10: @@
 [[File:Les Plantes Cultivades. Cereals. Imatge 119.jpg|thumb|upright=1.35|Cereal [[grain]]s: (top) [[pearl millet]], [[rice]], [[barley]]<br/>(middle) [[sorghum]], [[maize]], [[oat]]s<br/>(bottom) [[millet]], [[wheat]], [[rye]], [[triticale]] ]]
-A '''cereal''' is a [[Poaceae|grass]] cultivated for its edible [[grain]]. Cereals are the world's largest [[crop]]s, and are therefore [[staple food]]s. They include [[rice]], [[wheat]], [[rye]], [[oat]]s, [[barley]], [[millet]], and [[maize]] ([[corn]]). Edible grains from other plant families, such as [[amaranth]], [[buckwheat]] and [[quinoa]], are [[pseudocereal]]s. Most cereals are [[annual plant|annuals]], producing one crop from each planting, though rice is sometimes grown as a [[perennial]]. Winter varieties are hardy enough to be planted in the autumn, becoming dormant in the winter, and harvested in spring or early summer; spring varieties are planted in spring and harvested in late summer. The term cereal is derived from the name of the [[Ancient Rome|Roman]] goddess of grain crops and fertility, [[Ceres (mythology)|Ceres]].
+A '''cereal''' is a grass  (family [[Poaceae]]) cultivated for its edible [[grain]]. Cereals are the world's largest [[crop]]s, and are therefore [[staple food]]s. They include [[rice]], [[wheat]] (UK: corn), [[rye]], [[oat]]s, [[barley]], [[millet]], and [[maize]] (US: corn). Edible grains from other plant families, such as [[amaranth]], [[buckwheat]] and [[quinoa]], are [[pseudocereal]]s ([[Eudicots]]). Most cereals are [[annual plant|annuals]], producing one crop from each planting, though rice is sometimes grown as a [[perennial]]. Winter varieties are hardy enough to be planted in the autumn, becoming dormant in the winter, and harvested in spring or early summer; spring varieties are planted in spring and harvested in late summer. The term cereal is derived from the name of the [[Ancient Rome|Roman]] goddess of grain crops and fertility, [[Ceres (mythology)|Ceres]].<!--
+     Please do not try to add anything humorous here, it will only get you blocked. Many thanks.
+-->
-Cereals were [[plant domestication|domesticated]] in the [[Neolithic]] around 8,000 years ago. Wheat and barley were domesticated in the [[Fertile Crescent]]. Rice and some millets were domesticated in [[East Asia]], while [[sorghum]] and other millets were domesticated in [[West Africa]]. Maize was domesticated by [[Indigenous peoples of the Americas]] in southern Mexico about 9,000 years ago. In the 20th century, cereal productivity was greatly increased by the [[Green Revolution]]. This increase in production has accompanied a [[Grain trade|growing international trade]], with some countries producing large portions of the cereal supply for other countries.
+Cereals were [[plant domestication|domesticated]] in the [[Neolithic]] around 8,000 years ago. Wheat and barley were domesticated in the [[Fertile Crescent]]. Rice and some millets were domesticated in [[East Asia]], while [[sorghum]] and other millets were domesticated in [[Sudan]].<ref name="Frank Winchell, Chris J. Stevens, Charlene Murphy, Louis Champion, and Dorian Q Fuller"/> Maize was domesticated by [[Indigenous peoples of the Americas]] in <!--south-central -->Mexico about 9,000 years ago. In the 20th century, cereal productivity was greatly increased by the [[Green Revolution]]. This increase in production has accompanied a [[Grain trade|growing international trade]], with some countries producing large portions of the cereal supply for other countries.
 Cereals provide food eaten directly as [[whole grain]]s, usually cooked, or they are ground to [[flour]] and made into [[bread]], [[porridge]], and other products. Cereals have a high [[starch]] content, enabling them to be fermented into alcoholic drinks such as [[beer]]. Cereal farming has a substantial [[Environmental impact of agriculture|environmental impact]], and is often produced in high-intensity [[monoculture]]s. The environmental harms can be mitigated by [[Sustainable agriculture|sustainable practices]] which reduce the impact on soil and improve biodiversity, such as [[no-till farming]] and [[intercropping]].
@@ Line 28: / Line 30: @@
 During the same period, farmers in [[China]] began to [[History of rice cultivation|farm rice]] and millet, using human-made floods and [[Slash-and-burn|fires]] as part of their cultivation regimen.<ref name="NatGeo">{{cite magazine |url=https://genographic.nationalgeographic.com/development-of-agriculture/ |title=The Development of Agriculture |magazine=[[National Geographic]] |access-date=22 April 2013 |url-status=dead |archive-url=https://web.archive.org/web/20160414142437/https://genographic.nationalgeographic.com/development-of-agriculture/ |archive-date=14 April 2016 }}</ref><ref>{{cite book |title=Plant evolution and the origin of crop species |page=119 |last=Hancock |first=James F. |url=https://books.google.com/books?id=j_O9ZnFRNngC&pg=PA119 |publisher=CABI |year=2012 |isbn=978-1-84593-801-7 |edition=3rd |access-date=10 February 2021 |archive-date=4 May 2021 |archive-url=https://web.archive.org/web/20210504223635/https://books.google.com/books?id=j_O9ZnFRNngC&pg=PA119 |url-status=live}}</ref> The use of [[soil conditioner]]s, including [[manure]], fish, [[compost]] and [[wood ash|ashes]], appears to have begun early, and developed independently in areas of the world including [[Mesopotamia]], the [[Nile Valley]], and Eastern Asia.<ref name="FertMan">{{cite book |url=https://books.google.com/books?id=qPkoOU4BvEsC&pg=PA44 |page=46 |author=UN Industrial Development Organization, [[International Fertilizer Development Center]] |title=The Fertilizer Manual |publisher=[[Springer Science and Business Media LLC]] |year=1998 |edition=3rd |isbn=978-0-7923-5032-3 |access-date=10 February 2021 |archive-date=4 May 2021 |archive-url=https://web.archive.org/web/20210504221511/https://books.google.com/books?id=qPkoOU4BvEsC&pg=PA44 |url-status=live}}</ref>
-[[Neolithic founder crops|Cereals that became]] modern barley and wheat were [[domesticated]] some 8,000 years ago in the Fertile Crescent.<ref name="Purugganan Fuller 2009">{{cite journal |last1=Purugganan |first1=Michael D. |last2=Fuller |first2=Dorian Q. |title=The nature of selection during plant domestication |journal=Nature |volume=457 |issue=7231 |date=February 1, 2009 |issn=0028-0836 |doi=10.1038/nature07895 |url=https://www.researchgate.net/profile/Dorian-Fuller/publication/24003450_Purugganan_MD_Fuller_DQ_The_nature_of_selection_during_plant_domestication_Nature_457_843-848/links/0912f508156a26ca22000000/Purugganan-MD-Fuller-DQ-The-nature-of-selection-during-plant-domestication-Nature-457-843-848.pdf<!--NOT redundant to DOI--> |pages=843–848 |pmid=19212403 |bibcode=2009Natur.457..843P |s2cid=205216444 }}</ref> Millets and rice were domesticated in East Asia, while [[sorghum]] and other millets were domesticated in sub-Saharan West Africa, primarily as feed for livestock.<ref>{{cite book |last1=Henry |first1=R.J. |last2=Kettlewell |first2=P.S. |title=Cereal Grain Quality |publisher=[[Chapman & Hall]] |year=1996 |isbn=978-9-4009-1513-8 |page=155}}</ref> [[Maize]] arose from a single domestication in [[Mesoamerica]] about 9,000 years ago.<ref name="Mat">{{cite journal |last1=Matsuoka |first1=Y. |year=2002 |title=A single domestication for maize shown by multilocus microsatellite genotyping |journal=[[Proceedings of the National Academy of Sciences]] |volume=99 |pages=6080–4 |doi=10.1073/pnas.052125199 |pmid=11983901 |last2=Vigouroux |first2=Y. |last3=Goodman |first3=M. M. |last4=Sanchez G. |first4=J. |last5=Buckler |first5=E. |last6=Doebley |first6=J. |issue=9 |pmc=122905 |display-authors=3 |bibcode=2002PNAS...99.6080M |doi-access=free }}</ref>
+[[Neolithic founder crops|Cereals that became]] modern barley and wheat were [[domesticated]] some 8,000 years ago in the Fertile Crescent.<ref name="Purugganan Fuller 2009">{{cite journal |last1=Purugganan |first1=Michael D. |last2=Fuller |first2=Dorian Q. |title=The nature of selection during plant domestication |journal=Nature |volume=457 |issue=7231 |date=February 1, 2009 |issn=0028-0836 |doi=10.1038/nature07895 |url=https://www.researchgate.net/profile/Dorian-Fuller/publication/24003450_Purugganan_MD_Fuller_DQ_The_nature_of_selection_during_plant_domestication_Nature_457_843-848/links/0912f508156a26ca22000000/Purugganan-MD-Fuller-DQ-The-nature-of-selection-during-plant-domestication-Nature-457-843-848.pdf<!--NOT redundant to DOI--> |pages=843–848 |pmid=19212403 |bibcode=2009Natur.457..843P |s2cid=205216444 }}</ref> Millets and rice were domesticated in East Asia, while [[sorghum]] was domesticated in [[Sudan]].<ref name="Frank Winchell, Chris J. Stevens, Charlene Murphy, Louis Champion, and Dorian Q Fuller">{{cite journal |last1=Winchell |first1=Frank |last2=Stevens |first2=Chris J. |last3=Murphy |first3=Charlene |last4=Champion |first4=Louis |last5=Fuller |first5=Dorian Q. |title=Evidence for Sorghum Domestication in Fourth Millennium BC Eastern Sudan: Spikelet Morphology from Ceramic Impressions of the Butana Group |journal=[[Current Anthropology]] |date=October 2017 |volume=58 |issue=5 |pages=673–683 |doi=10.1086/693898 |bibcode=2017CurrA..58..673W |url=https://discovery.ucl.ac.uk/id/eprint/1574602/ }}</ref> [[Maize]] arose from a single domestication in [[Mesoamerica]] about 9,000 years ago.<ref name="Mat">{{cite journal |last1=Matsuoka |first1=Y. |year=2002 |title=A single domestication for maize shown by multilocus microsatellite genotyping |journal=[[Proceedings of the National Academy of Sciences]] |volume=99 |pages=6080–4 |doi=10.1073/pnas.052125199 |pmid=11983901 |last2=Vigouroux |first2=Y. |last3=Goodman |first3=M. M. |last4=Sanchez G. |first4=J. |last5=Buckler |first5=E. |last6=Doebley |first6=J. |issue=9 |pmc=122905 |display-authors=3 |bibcode=2002PNAS...99.6080M |doi-access=free }}</ref>
 [[File:Roman harvester, Trier.jpg|thumb|left|upright=1.35|Roman harvesting machine]]
@@ Line 42: / Line 44: @@
 [[File:Punjab Monsoon (cropped).jpg|thumb|[[Paddy field|Rice fields]] in India. [[Green Revolution in India|India's participation in the Green Revolution]] helped resolve [[food security|food shortages]] in the mid-twentieth century.<ref>{{cite news |last1=Kumar |first1=Manoj |last2=Williams |first2=Matthias |title=Punjab, bread basket of India, hungers for change |date=29 January 2009 |url=https://www.reuters.com/article/us-india-election-punjab-idUSTRE80T00U20120130 |work=[[Reuters]]}}</ref><ref>{{cite report |url=http://planningcommission.nic.in/plans/stateplan/sdr_pdf/shdr_pun04.pdf |title=Human Development Report 2004, Punjab |author=The Government of Punjab |date=2004 |author-link=Government of Punjab, India |access-date=9 August 2011 |archive-url=https://web.archive.org/web/20110708073911/http://planningcommission.nic.in/plans/stateplan/sdr_pdf/shdr_pun04.pdf |archive-date=8 July 2011 |url-status=live}} Section: "The Green Revolution", pp. 17–20.</ref>]]
-During the second half of the 20th century, there was a significant increase in the production of high-yield cereal crops worldwide, especially wheat and rice, due to the [[Green Revolution]], a technological change funded by development organizations.<ref name="FAOGreenRevolution">{{cite web |url=http://www.fao.org/docrep/003/w2612e/w2612e06a.htm |title=Lessons from the green revolution: towards a new green revolution |publisher=[[Food and Agriculture Organization]] |access-date=5 June 2017 |quote=The green revolution was a technology package comprising material components of improved high-yielding varieties (HYVs) of two staple cereals (rice or "wheat"), irrigation or controlled "water" supply and improved moisture utilization, fertilizers and pesticides and associated management skills. |url-status=live |archive-url=https://web.archive.org/web/20170518074944/http://www.fao.org/docrep/003/w2612e/w2612e06a.htm |archive-date=18 May 2017}}</ref> The strategies developed by the Green Revolution included mechanized tilling, [[monoculture]], nitrogen fertilizers, and breeding of new strains of seeds. These innovations focused on fending off starvation and increasing yield-per-plant, and were very successful in raising overall yields of cereal grains, but paid less attention to nutritional quality.<ref name="Sands Morris Dratz Pilgeram 2009">{{cite journal |last1=Sands |first1=David C. |last2=Morris |first2=Cindy E. |last3=Dratz |first3=Edward A. |last4=Pilgeram |first4=Alice L. |title=Elevating optimal human nutrition to a central goal of plant breeding and production of plant-based foods |journal=Plant Science |volume=177 |issue=5 |date=2009 |pmid=20467463 |pmc=2866137 |doi=10.1016/j.plantsci.2009.07.011 |pages=377–389|bibcode=2009PlnSc.177..377S }}</ref> These modern high-yield cereal crops tend to have [[Protein quality|low-quality proteins]], with [[essential amino acid]] deficiencies, are high in [[carbohydrate]]s, and lack balanced [[essential fatty acid]]s, [[vitamin]]s, [[Mineral (nutrient)|minerals]] and other quality factors.<ref name="Sands Morris Dratz Pilgeram 2009"/> So-called [[ancient grains]] and [[Heirloom plant|heirloom varieties]] have seen an increase in popularity with the [[Organic movement|"organic" movements]] of the early 21st century, but there is a tradeoff in yield-per-plant, putting pressure on resource-poor areas as [[Crop|food crops]] are replaced with [[cash crop]]s.<ref>{{cite web |url=https://recipes.howstuffworks.com/did-quinoa-get-too-popular-for-its-own-good.htm |title=Did Quinoa Get Too Popular for Its Own Good? |date=5 November 2018 |website=[[HowStuffWorks]] |access-date=25 August 2019 |archive-date=21 April 2021 |archive-url=https://web.archive.org/web/20210421022945/https://recipes.howstuffworks.com/did-quinoa-get-too-popular-for-its-own-good.htm |url-status=live}}</ref>
+Between 1964 and 2023, cereal production increased by 213%, mostly through higher yields: harvested area rose only by 10%.<ref>{{cite book |last=FAO |url=https://openknowledge.fao.org/handle/20.500.14283/cd7488en |title=The State of the World's Land and Water Resources for Food and Agriculture 2025 |date=2025 |publisher=FAO |isbn=978-92-5-140285-6 |doi=10.4060/cd7488en}}</ref> Yields of wheat and rice rose in the [[Green Revolution]], a technological change funded by development organizations.<ref name="FAOGreenRevolution">{{cite web |url=http://www.fao.org/docrep/003/w2612e/w2612e06a.htm |title=Lessons from the green revolution: towards a new green revolution |publisher=[[Food and Agriculture Organization]] |access-date=5 June 2017 |quote=The green revolution was a technology package comprising material components of improved high-yielding varieties (HYVs) of two staple cereals (rice or "wheat"), irrigation or controlled "water" supply and improved moisture utilization, fertilizers and pesticides and associated management skills. |url-status=live |archive-url=https://web.archive.org/web/20170518074944/http://www.fao.org/docrep/003/w2612e/w2612e06a.htm |archive-date=18 May 2017}}</ref> The strategies included mechanized tilling, [[monoculture]], nitrogen fertilizers, and breeding of new strains of seeds. These innovations fended off starvation and increased yield-per-plant, but paid less attention to nutritional quality.<ref name="Sands Morris Dratz Pilgeram 2009">{{cite journal |last1=Sands |first1=David C. |last2=Morris |first2=Cindy E. |last3=Dratz |first3=Edward A. |last4=Pilgeram |first4=Alice L. |title=Elevating optimal human nutrition to a central goal of plant breeding and production of plant-based foods |journal=Plant Science |volume=177 |issue=5 |date=2009 |pmid=20467463 |pmc=2866137 |doi=10.1016/j.plantsci.2009.07.011 |pages=377–389|bibcode=2009PlnSc.177..377S }}</ref> The high-yield cereal crops tend to have [[Protein quality|low-quality proteins]], with [[essential amino acid]] deficiencies, are high in [[carbohydrate]]s, and lack balanced [[essential fatty acid]]s, [[vitamin]]s, and [[Mineral (nutrient)|minerals]].<ref name="Sands Morris Dratz Pilgeram 2009" /> So-called [[ancient grains]] and [[Heirloom plant|heirloom varieties]] grew in popularity with the [[Organic movement|"organic" movements]] of the early 21st century, but there is a tradeoff in yield-per-plant, putting pressure on resource-poor areas as food crops are replaced with [[cash crop]]s.<ref>{{cite web |url=https://recipes.howstuffworks.com/did-quinoa-get-too-popular-for-its-own-good.htm |title=Did Quinoa Get Too Popular for Its Own Good? |date=5 November 2018 |website=[[HowStuffWorks]] |access-date=25 August 2019 |archive-date=21 April 2021 |archive-url=https://web.archive.org/web/20210421022945/https://recipes.howstuffworks.com/did-quinoa-get-too-popular-for-its-own-good.htm |url-status=live}}</ref>
+Grain-based foods are fundamental dietary staples in many regions worldwide, serving as primary sources of energy and essential nutrients. Consequently, reductions in cereal production are the most significant contributors to losses in energy and essential micronutrients such as iron, zinc, magnesium, phosphorus, thiamin and riboflavin.<ref>{{Cite book |last=FAO |url=https://openknowledge.fao.org/handle/20.500.14283/cd7185en |title=The Impact of Disasters on Agriculture and Food Security 2025 |date=2025 |publisher=FAO |isbn=978-92-5-140180-4 |language=English |doi=10.4060/cd7185en}}</ref>
 == Biology ==
@@ Line 51: / Line 55: @@
 Among the best-known cereals are maize, [[rice]], wheat, barley, [[sorghum]], [[millet]], oat, rye and [[triticale]].{{sfn|Rosentrater|Evers|2018|pp=2–3}} Some other grains are colloquially called cereals, even though they are not grasses; these [[pseudocereal]]s include [[buckwheat]], [[quinoa]], and [[amaranth]].{{sfn|Rosentrater|Evers|2018|pp=68–69}}
 == Cultivation ==
+[[File:Sources of variation in cereal production, 1964–2023.svg|thumb|Sources of variation in cereal production, 1964–2023.]]
 All cereal crops are cultivated in a similar way. Most are [[annual plant|annual]], so after sowing they are harvested just once.<ref name="Barr-2019"/> An exception is rice, which although usually treated as an annual can survive as a [[perennial]], producing a [[ratoon]] crop.<ref name="IRRI rice plant">{{cite web |url=http://www.knowledgebank.irri.org/riceIPM/IPM_Information/PestEcologyBasics/CropGrowthAndPestDamage/RicePlantHowItGrows/The_Rice_plant_and_How_it_Grows.htm |title=The Rice Plant and How it Grows |website=[[International Rice Research Institute]] |archive-url=https://web.archive.org/web/20090106224427/http://www.knowledgebank.irri.org/riceIPM/IPM_Information/PestEcologyBasics/CropGrowthAndPestDamage/RicePlantHowItGrows/The_Rice_plant_and_How_it_Grows.htm |archive-date=January 6, 2009}}</ref> Cereals adapted to a [[temperate climate]], such as [[barley]], [[oat]]s, [[rye]], [[spelt]], [[triticale]], and [[wheat]], are called cool-season cereals. Those preferring a [[tropical climate]], such as [[millet]] and [[sorghum]], are called warm-season cereals.<ref name="Barr-2019"/>{{sfn|Rosentrater|Evers|2018|pp=3–4}}<ref name="Best for grazing">{{cite web |date=22 February 2018 |title=Best Crops for Grazing |url=https://www.agriculture.com/livestock/cattle/best-crops-for-grazing |access-date=18 June 2020 |website=[[Successful Farming]] |archive-date=26 November 2020 |archive-url=https://web.archive.org/web/20201126032757/https://www.agriculture.com/livestock/cattle/best-crops-for-grazing |url-status=live}}</ref> Cool-season cereals, especially rye, followed by barley, are hardy; they grow best in fairly cool weather, and stop growing, depending on variety, when the temperature goes above around {{convert|30 |°C|F|round=5|disp=or}}. Warm-season cereals, in contrast, require hot weather and cannot tolerate frost.<ref name="Barr-2019">{{Cite book |last1=Barr |first1=Skylar |last2=Sutton |first2=Mason |url=https://books.google.com/books?id=IePEDwAAQBAJ&pg=PA54 |title=Technology of Cereals, Pulses and Oilseeds |publisher=Edtech |year=2019 |isbn=9781839472619 |pages=54 |access-date=30 August 2022 |archive-date=30 August 2022 |archive-url=https://web.archive.org/web/20220830133456/https://books.google.com/books?id=IePEDwAAQBAJ&pg=PA54 |url-status=live }}</ref> Cool-season cereals can be grown in highlands in the tropics, where they sometimes deliver several crops in a single year.<ref name="Barr-2019"/>
@@ Line 68: / Line 71: @@
 [[File:Wheat scab.jpg|thumb|upright=0.6|''[[Fusarium graminearum]]'' damages many cereals, here [[wheat]], where it causes wheat scab (right).]]
-Cereal strains are bred for consistency and resilience to the local environmental conditions. The greatest constraints on [[crop yield|yield]] are [[Lists of cereal pests and diseases|plant diseases]], especially [[Rust (fungus)|rusts]] (mostly the ''[[Puccinia]]'' spp.) and [[powdery mildew]]s.<ref name = "Marienlyst" >{{Cite web |year=2015 |pages=1–163 |publisher=[[Aarhus University]] |title=14th International Cereal Rusts and Powdery Mildews Conference |url=https://wheat.pw.usda.gov/GG3/node/176|archive-url=https://web.archive.org/web/20230305073252/https://wheat.pw.usda.gov/GG3/node/176|url-status=dead|archive-date=5 March 2023}}</ref> Fusarium head blight, caused by ''[[Fusarium graminearum]]'', is a significant limitation on a wide variety of cereals.<ref name="Disaster">{{cite journal |year=2004 |issue=6 |publisher=[[John Wiley & Sons, Inc.]] |volume=5 |last1=Goswami |first1=R. |last2=Kistler |first2=H. |pages=515–525 |journal=[[Molecular Plant Pathology]] |issn=1464-6722 |s2cid=11548015 |pmid=20565626 |title=Heading for disaster: ''Fusarium graminearum'' on cereal crops |doi=10.1111/j.1364-3703.2004.00252.x |doi-access=free}}</ref> Other pressures include [[Lists of cereal pests and diseases|pest insects]] and wildlife like rodents and deer.<ref>{{Cite journal |last1=Singleton |first1=Grant R |last2=Lorica |first2=Renee P |last3=Htwe |first3=Nyo Me |last4=Stuart |first4=Alexander M |date=2021-10-01 |title=Rodent management and cereal production in Asia: Balancing food security and conservation |journal=Pest Management Science |volume=77 |issue=10 |pages=4249–4261 |doi=10.1002/ps.6462 |pmid=33949075 |language=en|doi-access=free }}</ref><ref>{{Cite web |title=Deer (Overview) Interaction with Humans - Damage to Agriculture {{!}} Wildlife Online |url=https://www.wildlifeonline.me.uk/animals/article/deer-overview-interaction-with-humans-damage-to-agriculture |access-date=2024-02-08 |website=www.wildlifeonline.me.uk |language=en}}</ref> In conventional agriculture, some farmers apply [[fungicide]]s or pesticides.
+Cereal strains are bred for consistency and resilience to the local environmental conditions. The greatest constraint on [[crop yield|yield]] are [[Lists of cereal pests and diseases|plant diseases]], especially [[Rust (fungus)|rusts]] (mostly the ''[[Puccinia]]'' spp.) and [[powdery mildew]]s.<ref name = "Marienlyst" >{{Cite web |year=2015 |pages=1–163 |publisher=[[Aarhus University]] |title=14th International Cereal Rusts and Powdery Mildews Conference |url=https://wheat.pw.usda.gov/GG3/node/176|archive-url=https://web.archive.org/web/20230305073252/https://wheat.pw.usda.gov/GG3/node/176|url-status=dead|archive-date=5 March 2023}}</ref> Fusarium head blight, caused by ''[[Fusarium graminearum]]'', is a significant limitation on a wide variety of cereals.<ref name="Disaster">{{cite journal |year=2004 |issue=6 |publisher=[[John Wiley & Sons, Inc.]] |volume=5 |last1=Goswami |first1=R. |last2=Kistler |first2=H. |pages=515–525 |journal=[[Molecular Plant Pathology]] |issn=1464-6722 |s2cid=11548015 |pmid=20565626 |title=Heading for disaster: ''Fusarium graminearum'' on cereal crops |doi=10.1111/j.1364-3703.2004.00252.x |doi-access=free |bibcode=2004MolPP...5..515G }}</ref> Other pressures include [[Lists of cereal pests and diseases|pest insects]] and wildlife like rodents and deer.<ref>{{Cite journal |last1=Singleton |first1=Grant R |last2=Lorica |first2=Renee P |last3=Htwe |first3=Nyo Me |last4=Stuart |first4=Alexander M |date=2021-10-01 |title=Rodent management and cereal production in Asia: Balancing food security and conservation |journal=Pest Management Science |volume=77 |issue=10 |pages=4249–4261 |doi=10.1002/ps.6462 |pmid=33949075 |language=en|doi-access=free |bibcode=2021PMSci..77.4249S }}</ref><ref>{{Cite web |title=Deer (Overview) Interaction with Humans - Damage to Agriculture {{!}} Wildlife Online |url=https://www.wildlifeonline.me.uk/animals/article/deer-overview-interaction-with-humans-damage-to-agriculture |access-date=2024-02-08 |website=www.wildlifeonline.me.uk |language=en}}</ref> In conventional agriculture, some farmers apply [[fungicide]]s or pesticides.
 === Harvesting ===
@@ Line 91: / Line 94: @@
 [[File:Mexican woman maize tortillas.jpg|thumb|An indigenous Mexican woman prepares maize [[tortilla]]s, 2013]]
-When the cereal is ready to be distributed, it is sold to a manufacturing facility that first removes the outer layers of the grain for subsequent [[Gristmill|milling for flour]] or other processing steps, to produce foods such as flour, [[oatmeal]], or [[pearl barley]].<ref name="Papageorgiou Skendi 2018">{{cite book |last1=Papageorgiou |first1=Maria |last2=Skendi |first2=Adriana |chapter=1 Introduction to cereal processing and by-products |year=2018 |title=Sustainable Recovery and Reutilization of Cereal Processing By-Products |pages=1–25 |editor-last=Galanakis |editor-first=Charis M. |chapter-url=https://www.sciencedirect.com/science/article/pii/B9780081021620000010 |access-date=9 February 2024 |series=Woodhead Publishing Series in Food Science, Technology and Nutrition |publisher=Woodhead Publishing |isbn=978-0-08-102162-0}}</ref> In developing countries, processing may be traditional, in artisanal workshops, as with [[Tortilla|tortilla production]] in Central America.<ref name="Astier Odenthal Patricio Orozco-Ramírez 2019">{{cite journal |last1=Astier |first1=Marta |last2=Odenthal |first2=Georg |last3=Patricio |first3=Carmen |last4=Orozco-Ramírez |first4=Quetzalcoatl |title=Handmade tortilla production in the basins of lakes Pátzcuaro and Zirahuén, Mexico |journal=Journal of Maps |publisher=Informa UK |volume=15 |issue=1 |date=2019-01-02 |issn=1744-5647 |doi=10.1080/17445647.2019.1576553 |pages=52–57|bibcode=2019JMaps..15...52A |doi-access=free }}</ref>
+When the cereal is ready to be distributed, it is sold to a manufacturing facility that first removes the outer layers of the grain for subsequent [[Gristmill|milling for flour]] or other processing steps, to produce foods such as flour, [[oatmeal]], or [[pearl barley]].<ref name="Papageorgiou Skendi 2018">{{cite book |last1=Papageorgiou |first1=Maria |last2=Skendi |first2=Adriana |chapter=1 Introduction to cereal processing and by-products |year=2018 |title=Sustainable Recovery and Reutilization of Cereal Processing By-Products |pages=1–25 |editor-last=Galanakis |editor-first=Charis M. |chapter-url=https://www.sciencedirect.com/science/article/pii/B9780081021620000010 |access-date=9 February 2024 |series=Woodhead Publishing Series in Food Science, Technology and Nutrition |publisher=Woodhead Publishing |isbn=978-0-08-102162-0}}</ref> In developing countries, processing may be traditional, in artisanal workshops, as with [[tortilla]] production in Central America.<ref name="Astier Odenthal Patricio Orozco-Ramírez 2019">{{cite journal |last1=Astier |first1=Marta |last2=Odenthal |first2=Georg |last3=Patricio |first3=Carmen |last4=Orozco-Ramírez |first4=Quetzalcoatl |title=Handmade tortilla production in the basins of lakes Pátzcuaro and Zirahuén, Mexico |journal=Journal of Maps |publisher=Informa UK |volume=15 |issue=1 |date=2019-01-02 |issn=1744-5647 |doi=10.1080/17445647.2019.1576553 |pages=52–57|bibcode=2019JMaps..15...52A |doi-access=free }}</ref>
-Most cereals can be processed in a variety of ways. [[Rice#Processing|Rice processing]], for instance, can create whole-grain or polished rice, or rice flour. Removal of the germ increases the longevity of grain in storage.<ref>{{Cite web |date=2 August 2018 |title=Varieties |url=http://www.riceassociation.org.uk/content/1/10/varieties.html |access-date=9 February 2024 |website=Rice Association|archive-url=https://web.archive.org/web/20180802162740/http://www.riceassociation.org.uk/content/1/10/varieties.html |archive-date=2 August 2018 }}</ref> Some grains can be [[Malting|malted]], a process of activating enzymes in the seed to cause sprouting that turns the complex starches into sugars before drying.<ref>{{Cite web |title=The Malting Process |url=https://www.brewingwithbriess.com/malting-101/malting-process/ |access-date=9 February 2024 |website=Brewing With Briess}}</ref><ref>{{Cite web |title=Malting - an overview |url=https://www.sciencedirect.com/topics/food-science/malting |access-date=2024-02-09 |website=Science Direct}}</ref> These sugars can be extracted for industrial uses and further processing, such as for making [[Ethanol|industrial alcohol]],<ref name="Jacobs 1938"/> [[beer]],<ref name="Barth 2014"/> [[whisky]],<ref name="cfr5.22">{{Cite web |title=Standards of Identity for Distilled Spirits, Title 27 Code of Federal Regulations, Pt. 5.22 |url=http://edocket.access.gpo.gov/cfr_2008/aprqtr/pdf/27cfr5.22.pdf |access-date=17 October 2008 |quote=Bourbon whiskey ... Corn whiskey ... Malt whiskey ... Rye whiskey ... Wheat whiskey}}</ref> or [[rice wine]],<ref name="Borrell 2009"/> or sold [[barley malt syrup|directly as a sugar]].<ref name="Briggs 1978 pp. 560–586">{{cite book |last=Briggs |first=D. E. |title=Barley |chapter=Some uses of barley malt |publisher=Springer Netherlands |publication-place=Dordrecht |year=1978 |isbn=978-94-009-5717-6 |doi=10.1007/978-94-009-5715-2_16 |pages=560–586 |quote=products include malt extracts (powders and syrups), diastase, beer, whisky, ... and malt vinegar.}}</ref> In the 20th century, [[Food processing|industrial processes]] developed around chemically altering the grain, to be used for other processes. In particular, [[maize]] can be altered to produce food additives, such as [[corn starch]]<ref>{{cite web |url=http://www.starch.dk/isi/starch/tm18www-corn.htm |title=International Starch: Production of corn starch |publisher=Starch.dk |access-date=2011-06-12 |url-status=live |archive-url=https://web.archive.org/web/20110515104234/http://www.starch.dk/isi/starch/tm18www-corn.htm |archive-date=2011-05-15 }}</ref> and [[high-fructose corn syrup]].<ref>{{cite web | title=Glucose-fructose syrup: How is it produced? |url=http://www.eufic.org/en/food-production/article/glucose-fructose-how-is-it-produced-infographic | publisher=European Food Information Council (EUFIC) |access-date=9 February 2024 |url-status=dead |archive-url=https://web.archive.org/web/20170517230154/http://www.eufic.org/en/food-production/article/glucose-fructose-how-is-it-produced-infographic |archive-date=17 May 2017}}</ref>
+Most cereals can be processed in a variety of ways. [[Rice#Processing|Rice processing]], for instance, can create whole-grain or polished rice, or rice flour. Removal of the germ increases the longevity of grain in storage.<ref>{{Cite web |date=2 August 2018 |title=Varieties |url=http://www.riceassociation.org.uk/content/1/10/varieties.html |access-date=9 February 2024 |website=Rice Association|archive-url=https://web.archive.org/web/20180802162740/http://www.riceassociation.org.uk/content/1/10/varieties.html |archive-date=2 August 2018 }}</ref> Some grains can be [[Malting|malted]], a process of activating enzymes in the seed to cause sprouting that turns the complex starches into sugars before drying.<ref>{{Cite web |title=The Malting Process |url=https://www.brewingwithbriess.com/malting-101/malting-process/ |access-date=9 February 2024 |website=Brewing With Briess}}</ref> These sugars can be extracted for industrial uses and further processing, such as for making [[Ethanol|industrial alcohol]],<ref name="Jacobs 1938"/> [[beer]],<ref name="Barth 2014"/> [[whisky]],<ref name="cfr5.22">{{Cite web |title=Standards of Identity for Distilled Spirits, Title 27 Code of Federal Regulations, Pt. 5.22 |url=https://edocket.access.gpo.gov/cfr_2008/aprqtr/pdf/27cfr5.22.pdf |access-date=17 October 2008 |quote=Bourbon whiskey ... Corn whiskey ... Malt whiskey ... Rye whiskey ... Wheat whiskey}}</ref> or [[rice wine]],<ref name="Borrell 2009"/> or sold [[barley malt syrup|directly as a sugar]].<ref name="Briggs 1978 pp. 560–586">{{cite book |last=Briggs |first=D. E. |title=Barley |chapter=Some uses of barley malt |publisher=Springer Netherlands |publication-place=Dordrecht |year=1978 |isbn=978-94-009-5717-6 |doi=10.1007/978-94-009-5715-2_16 |pages=560–586 |quote=products include malt extracts (powders and syrups), diastase, beer, whisky, ... and malt vinegar.}}</ref> In the 20th century, [[Food processing|industrial processes]] developed around chemically altering the grain, to be used for other processes. In particular, [[maize]] can be altered to produce food additives, such as [[corn starch]]<ref>{{cite web |url=http://www.starch.dk/isi/starch/tm18www-corn.htm |title=International Starch: Production of corn starch |publisher=Starch.dk |access-date=2011-06-12 |url-status=live |archive-url=https://web.archive.org/web/20110515104234/http://www.starch.dk/isi/starch/tm18www-corn.htm |archive-date=2011-05-15 }}</ref> and [[high-fructose corn syrup]].<ref>{{cite web | title=Glucose-fructose syrup: How is it produced? |url=http://www.eufic.org/en/food-production/article/glucose-fructose-how-is-it-produced-infographic | publisher=European Food Information Council (EUFIC) |access-date=9 February 2024 |url-status=dead |archive-url=https://web.archive.org/web/20170517230154/http://www.eufic.org/en/food-production/article/glucose-fructose-how-is-it-produced-infographic |archive-date=17 May 2017}}</ref>
 == Effects on the environment ==
@@ Line 113: / Line 116: @@
 Some of the impacts of growing cereals can be mitigated by changing production practices. Tillage can be reduced by [[no-till farming]], such as by direct drilling of cereal seeds, or by developing and planting [[perennial crop]] varieties so that annual tilling is not required. Rice can be grown as a [[Ratooning|ratoon]] crop;<ref name="IRRI rice plant"/> and other researchers are exploring perennial cool-season cereals, such as [[kernza]], being developed in the US.<ref name="Kaplan 2021">{{cite news |last=Kaplan |first=Sarah |title=A recipe for fighting climate change and feeding the world |url=https://www.washingtonpost.com/climate-solutions/interactive/2021/bread-baking-sustainable-grain-kernza/ |access-date=19 November 2021 |newspaper=[[The Washington Post]]}}</ref>
-Fertilizer and pesticide usage may be reduced in some [[polyculture]]s, growing several crops in a single field at the same time.<ref>{{cite journal |last1=Glover |first1=Jerry D. |last2=Cox |first2=Cindy M. |last3=Reganold |first3=John P. |year=2007 |title=Future Farming: A Return to Roots? |url=http://www.landinstitute.org/pages/Glover-et-al-2007-Sci-Am.pdf |journal=[[Scientific American]] |volume=297 |issue=2 |pages=82–89 |doi=10.1038/scientificamerican0807-82 |pmid=17894176 |bibcode=2007SciAm.297b..82G }}</ref> Fossil fuel-based [[nitrogen fertilizer]] usage can be reduced by [[intercropping]] cereals with [[legume]]s which [[nitrogen fixation|fix nitrogen]].<ref name="Jensen Carlsson Hauggaard-Nielsen 2020">{{cite journal |last1=Jensen |first1=Erik Steen |last2=Carlsson |first2=Georg |last3=Hauggaard-Nielsen |first3=Henrik |title=Intercropping of grain legumes and cereals improves the use of soil N resources and reduces the requirement for synthetic fertilizer N: A global-scale analysis |journal=Agronomy for Sustainable Development |publisher=Springer Science and Business Media |volume=40 |issue=1 |year=2020 |page=5 |issn=1774-0746 |doi=10.1007/s13593-020-0607-x|doi-access=free |bibcode=2020AgSD...40....5J }}</ref> Greenhouse gas emissions may be cut further by more efficient irrigation or by water harvesting methods like [[contour trenching]] that reduce the need for irrigation, and by breeding new crop varieties.<ref>{{cite web |last1=Vermeulen |first1=S.J. |last2=Dinesh |first2=D. |year=2016 |url=https://cgspace.cgiar.org/handle/10568/71052 |title=Measures for climate change adaptation in agriculture. Opportunities for climate action in agricultural systems. CCAFS Info Note |location=Copenhagen, Denmark |publisher=CGIAR Research Program on Climate Change, Agriculture and Food Security}}</ref>
+Fertilizer and pesticide usage may be reduced in some [[polyculture]]s, growing several crops in a single field at the same time.<ref>{{cite journal |last1=Glover |first1=Jerry D. |last2=Cox |first2=Cindy M. |last3=Reganold |first3=John P. |year=2007 |title=Future Farming: A Return to Roots? |url=https://www.landinstitute.org/pages/Glover-et-al-2007-Sci-Am.pdf |journal=[[Scientific American]] |volume=297 |issue=2 |pages=82–89 |doi=10.1038/scientificamerican0807-82 |pmid=17894176 |bibcode=2007SciAm.297b..82G }}</ref> Fossil fuel-based [[nitrogen fertilizer]] usage can be reduced by [[intercropping]] cereals with [[legume]]s which [[nitrogen fixation|fix nitrogen]].<ref name="Jensen Carlsson Hauggaard-Nielsen 2020">{{cite journal |last1=Jensen |first1=Erik Steen |last2=Carlsson |first2=Georg |last3=Hauggaard-Nielsen |first3=Henrik |title=Intercropping of grain legumes and cereals improves the use of soil N resources and reduces the requirement for synthetic fertilizer N: A global-scale analysis |journal=Agronomy for Sustainable Development |publisher=Springer Science and Business Media |volume=40 |issue=1 |year=2020 |page=5 |issn=1774-0746 |doi=10.1007/s13593-020-0607-x|doi-access=free |bibcode=2020AgSD...40....5J }}</ref> Greenhouse gas emissions may be cut further by more efficient irrigation or by water harvesting methods like [[contour trenching]] that reduce the need for irrigation, and by breeding new crop varieties.<ref>{{cite web |last1=Vermeulen |first1=S.J. |last2=Dinesh |first2=D. |year=2016 |url=https://cgspace.cgiar.org/handle/10568/71052 |title=Measures for climate change adaptation in agriculture. Opportunities for climate action in agricultural systems. CCAFS Info Note |location=Copenhagen, Denmark |publisher=CGIAR Research Program on Climate Change, Agriculture and Food Security}}</ref>
 == Uses ==
@@ Line 138: / Line 141: @@
 === Animal feed ===
 {{further|Animal feed}}
+{{owidslider
+|start        = 2022
+|list         = Template:OWID/share cereals animal feed#gallery
+|location      = commons
+|caption      =
+|title        =
+|language     =
+|file         = [[File:share cereals animal feed, World, 2022 (cropped).svg|link=|thumb|center|upright=1.6|Share of cereals used for animal feed]]
+|startingView = World
+}}
 [[File:Chickens feeding.jpg|thumb|Chickens eating cereal-rich [[animal feed|feed]]<ref>{{cite web |title=Cereals in poultry diets – Small and backyard poultry |url=https://poultry.extension.org/articles/feeds-and-feeding-of-poultry/feed-ingredients-for-poultry/cereals-in-poultry-diets/ |access-date=2024-02-10 |website=poultry.extension.org}}</ref>]]
-Cereals and their related byproducts such as [[hay]] are routinely [[animal husbandry|fed to farm animals]]. Common cereals as animal food include maize, barley, wheat, and oats. Moist grains may be treated chemically or made into [[silage]]; mechanically flattened or crimped, and kept in airtight storage until used; or stored dry with a moisture content of less than 14%.<ref>{{cite web |title=Feeding cereal grains to livestock: moist vs dry grain |url=https://ahdb.org.uk/knowledge-library/feeding-cereal-grains-to-livestock-moist-vs-dry-grain |publisher=Agriculture and Horticulture Development Board |access-date=5 February 2024}}</ref> Commercially, grains are often combined with other materials and formed into feed pellets.<ref name="Thomas van Vliet van der Poel 1998">{{cite journal |last1=Thomas |first1=M. |last2=van Vliet |first2=T. |last3=van der Poel |first3=A.F.B. |title=Physical quality of pelleted animal feed 3. Contribution of feedstuff components |journal=Animal Feed Science and Technology |volume=70 |issue=1–2 |date=1998 |doi=10.1016/S0377-8401(97)00072-2 |pages=59–78}}</ref>
+Cereals and their related byproducts such as [[hay]] are routinely [[animal husbandry|fed to farm animals]]. Common cereals as animal food include maize, barley, wheat, and oats. Moist grains may be treated chemically or made into [[silage]]; mechanically flattened or crimped, and kept in airtight storage until used; or stored dry with a moisture content of less than 14%.<ref>{{cite web |title=Feeding cereal grains to livestock: moist vs dry grain |url=https://ahdb.org.uk/knowledge-library/feeding-cereal-grains-to-livestock-moist-vs-dry-grain |publisher=Agriculture and Horticulture Development Board |access-date=5 February 2024}}</ref> Commercially, grains are often combined with other materials and formed into feed pellets.<ref name="Thomas van Vliet van der Poel 1998">{{cite journal |last1=Thomas |first1=M. |last2=van Vliet |first2=T. |last3=van der Poel |first3=A.F.B. |title=Physical quality of pelleted animal feed 3. Contribution of feedstuff components |journal=Animal Feed Science and Technology |volume=70 |issue=1–2 |date=1998 |doi=10.1016/S0377-8401(97)00072-2 |pages=59–78 |bibcode=1998AFST...70...59T }}</ref>
 == Nutrition ==
@@ Line 151: / Line 163: @@
 [[File:Home made whole grain bread.jpg|thumb|Whole grains as used in this bread have more of the original seed, making them more nutritious but more prone to spoilage in storage.<ref>{{cite web |title=Storing Whole Grains |url=https://wholegrainscouncil.org/recipes/cooking-whole-grains/storing-whole-grains |access-date=10 February 2024 |website=Whole Grains Council}}</ref>]]
-As [[whole grain]]s, cereals provide [[carbohydrate]]s, [[polyunsaturated fat]]s, [[Protein (nutrient)|protein]], [[vitamin]]s, and [[Mineral (nutrient)|minerals]]. When processed by the removal of the bran and germ, all that remains is the starchy endosperm.<ref name="Better Health">{{cite web |date=6 December 2023 |title=Cereals and wholegrain foods |url=https://www.betterhealth.vic.gov.au/health/healthyliving/cereals-and-wholegrain-foods |access-date=8 February 2024 |website=Better Health Channel |quote=in consultation with and approved by Victoria State Government Department of Health; Deakin University}}</ref> In some [[Developing country|developing countries]], cereals constitute a majority of daily sustenance. In [[Developed country|developed countries]], cereal consumption is moderate and varied but still substantial, primarily in the form of refined and processed grains.<ref>{{cite news |last=Mundell |first=E.J. |date=9 July 2019 |title=More Americans Are Eating Whole Grains, But Intake Still Too Low |url=https://consumer.healthday.com/vitamins-and-nutrition-information-27/food-and-nutrition-news-316/more-americans-are-eating-whole-grains-but-intake-still-too-low-748156.html |url-status=live |archive-url=https://web.archive.org/web/20211102033043/https://consumer.healthday.com/vitamins-and-nutrition-information-27/food-and-nutrition-news-316/more-americans-are-eating-whole-grains-but-intake-still-too-low-748156.html |archive-date=2 November 2021 |access-date=31 May 2021 |work=[[HealthDay]]}}</ref>
+As [[whole grain]]s, cereals provide [[carbohydrate]]s, [[polyunsaturated fat]]s, [[Protein (nutrient)|protein]], [[vitamin]]s, and [[Mineral (nutrient)|minerals]]. When processed by the removal of the bran and germ, all that remains is the starchy endosperm.<ref name="Better Health">{{cite web |date=6 December 2023 |title=Cereals and wholegrain foods |url=https://www.betterhealth.vic.gov.au/health/healthyliving/cereals-and-wholegrain-foods |access-date=8 February 2024 |website=Better Health Channel |quote=in consultation with and approved by Victoria State Government Department of Health; Deakin University}}</ref> Nutrients added to cereal during nutritional fortification include iron, calcium, zinc, and folate.<ref>{{Cite web |title=8 Rules for Healthier Cereal |url=https://www.everydayhealth.com/diet-nutrition/rules-for-healthier-cereal/ |access-date=2025-12-28 |website=EverydayHealth.com |language=en}}</ref> In some [[Developing country|developing countries]], cereals constitute a majority of daily sustenance. In [[Developed country|developed countries]], cereal consumption is moderate and varied but still substantial, primarily in the form of refined and processed grains.<ref>{{cite news |last=Mundell |first=E.J. |date=9 July 2019 |title=More Americans Are Eating Whole Grains, But Intake Still Too Low |url=https://consumer.healthday.com/vitamins-and-nutrition-information-27/food-and-nutrition-news-316/more-americans-are-eating-whole-grains-but-intake-still-too-low-748156.html |url-status=live |archive-url=https://web.archive.org/web/20211102033043/https://consumer.healthday.com/vitamins-and-nutrition-information-27/food-and-nutrition-news-316/more-americans-are-eating-whole-grains-but-intake-still-too-low-748156.html |archive-date=2 November 2021 |access-date=31 May 2021 |work=[[HealthDay]]}}</ref>
 === Amino acid balance ===
@@ Line 160: / Line 172: @@
 === Comparison of major cereals ===
+{{table alignment}}
-{| class="wikitable"
+{| class="wikitable col1left col2center" style="text-align:right;"
 |+ Nutritional values for some major cereals<ref>{{cite web |title=FoodData Central |url=https://fdc.nal.usda.gov/ |publisher=[[US Department of Agriculture]] |access-date=8 February 2024}}</ref>
 ! colspan="2" |Per 45g serving
@@ Line 400: / Line 412: @@
 Cereals constitute the world's largest commodities by tonnage, whether measured by production<ref name="IDRC"/> or by international trade. Several major producers of cereals dominate the market.<ref name="FAO 2023"/> Because of the scale of the trade, some countries have become reliant on imports, thus cereals [[Food prices|pricing]] or availability can have outsized impacts on countries with a food trade imbalance and thus [[food security]].<ref>{{Cite book |last1=OECD |url=https://www.oecd-ilibrary.org/agriculture-and-food/oecd-fao-agricultural-outlook-2023-2032_08801ab7-en |title=OECD-FAO Agricultural Outlook 2023-2032 |last2=Food and Agriculture Organization of the United Nations |date=2023-07-06 |publisher=OECD |isbn=978-92-64-61933-3 |language=en |chapter=3. Cereals |doi=10.1787/19991142 |chapter-url=https://www.oecd-ilibrary.org/sites/0f858aab-en/index.html?itemId=/content/component/0f858aab-en}}</ref> [[Speculation]], as well as other compounding production and supply factors leading up to the [[2008 financial crisis]], created rapid inflation of grain prices during the [[2007–2008 world food price crisis]].<ref name="WFSFAO">{{cite web |title=World Food Situation |url=http://www.fao.org/worldfoodsituation/en/ |url-status=live |archive-url=https://web.archive.org/web/20110429085859/http://www.fao.org/worldfoodsituation/en/ |archive-date=29 April 2011 |access-date=24 April 2011 |publisher=FAO}}</ref> Other disruptions, such as climate change or war related changes to supply or transportation can create further food insecurity; for example the [[Russian invasion of Ukraine]] in 2022 disrupted Ukrainian and Russian wheat supplies causing a [[World food crises (2022–present)|global food price crisis in 2022]] that affected countries heavily dependent on wheat flour.<ref>{{Cite conference |last1=Pei |first1=Qing |last2=Zhang |first2=David Dian |last3=Xu |first3=Jingjing |chapter=Price Responses of Grain Market under Climate Change in Pre-industrial Western Europe by ARX Modelling |date=August 2014 |title=Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications |conference=2014 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications (SIMULTECH) |pages=811–817 |doi=10.5220/0005025208110817 |isbn=978-989-758-038-3 |s2cid=8045747 |doi-access=free }}</ref><ref name="Time">{{Cite magazine |title=Climate Change is Likely to Devastate the Global Food Supply |url=https://time.com/5663621/climate-change-food-supply/ |access-date=2022-04-02 |magazine=Time}}</ref><ref>{{Cite web |title=CLIMATE CHANGE LINKED TO GLOBAL RISE IN FOOD PRICES – Climate Change |url=https://climatechange.medill.northwestern.edu/2015/02/10/climate-change-linked-to-global-rise-in-food-prices/ |access-date=2022-04-02 |archive-date=18 October 2022 |archive-url=https://web.archive.org/web/20221018125750/https://climatechange.medill.northwestern.edu/2015/02/10/climate-change-linked-to-global-rise-in-food-prices/ |url-status=dead }}</ref><ref>{{Cite news |last=Lustgarten |first=Abrahm |date=2020-12-16 |title=How Russia Wins the Climate Crisis |url=https://www.nytimes.com/interactive/2020/12/16/magazine/russia-climate-migration-crisis.html |access-date=2022-04-02 |work=The New York Times |issn=0362-4331}}</ref>
 === Production ===
 {{See also|List of countries by cereal production}}
-[[File:Ethiopie-Battage du teff (4).jpg|thumb|left|Threshing [[teff]], Ethiopia, 2007]]
+[[File:World Primary Crops Harvested Area By Commodity Group.svg|thumb|World Primary Crops Harvested Area By Commodity Group]]
 Cereals are the world's largest crops by tonnage of grain produced.<ref name="IDRC">{{cite web |url=https://www.idrc.ca/en |title=IDRC - International Development Research Centre |url-status=live |archive-url=https://web.archive.org/web/20160609075145/https://www.idrc.ca/en |archive-date=9 June 2016 |website=[[International Development Research Centre]]}}</ref> Three cereals, maize, wheat, and rice, together accounted for 89% of all cereal production worldwide in 2012, and 43% of the global supply of [[food energy]] in 2009,<ref name="prodstat">{{cite web |title=ProdSTAT |url=http://faostat.fao.org/site/567/DesktopDefault.aspx |url-status=live |archive-url=https://web.archive.org/web/20120210214103/http://faostat.fao.org/site/567/DesktopDefault.aspx |archive-date=10 February 2012 |access-date=9 July 2020 |work=[[FAOSTAT]]}}</ref> while the production of oats and rye has drastically fallen from their 1960s levels.<ref name="Ritchie-2013"/>
@@ Line 410: / Line 422: @@
 Other cereals not included in the U.N.'s [[Food and Agriculture Organization]] statistics include [[wild rice]], which is grown in small amounts in North America, and [[teff]], an ancient grain that is a staple in [[Ethiopia]].<ref name="Wrigley-2016"/> Teff is grown in sub-Saharan Africa as a grass primarily for feeding horses. It is high in fiber and protein. Its flour is often used to make [[injera]]. It can be eaten as a warm breakfast cereal like [[Farina (food)|farina]] with a chocolate or nutty flavor.<ref name="Wrigley-2016"/>
-<gallery mode=packed widths=600 heights=400>
+<div style="display:inline-table; vertical-align:top;">
-File:Production Of Cereals (2021).svg|Production of cereals worldwide, by country in 2021
+{{owidslider
-</gallery>
+|start        = 2023
+|list         = Template:OWID/cereal production#gallery
+|location     = Commons
+|file         = [[File:cereal production, World, 2023 (cropped).svg|right|link=|thumb|upright=1.6|Cereal production]]
+|startingView = World
+}}
+</div>
+<div style="display:inline-table; vertical-align:top;">
+{{owidslider
+|start        = 2024
+|list         = Template:OWID/Cereal yield#gallery
+|location     = Commons
+|file         = [[File:Cereal yield, World, 2024 (cropped).svg|link=|thumb|upright=1.6|right|Cereal yield]]
+|startingView = World
+}}
+</div>
 The table shows the annual production of cereals in 1961, 1980, 2000, 2010, and 2019/2020.{{efn |1961 is the earliest year for which [[FAO]] statistics are available.}}<ref>{{Cite web |last=Food and Agriculture Organization of the United Nations |title=FAOSTAT |url=https://www.fao.org/faostat/en/#data/QCL |access-date=30 August 2022 |website=[[FAOSTAT]] (Food and Agriculture Organization Statistics Division) |archive-date=6 January 2022 |archive-url=https://web.archive.org/web/20220106022112/https://www.fao.org/faostat/en/#data/QCL |url-status=live }}</ref><ref name="Ritchie-2013">{{Cite journal |last1=Ritchie |first1=Hannah |author1-link=Hannah Ritchie |last2=Roser |first2=Max |author2-link=Max Roser |date=17 October 2013 |title=Crop Yields |url=https://ourworldindata.org/crop-yields |journal=[[Our World in Data]] |access-date=30 August 2022 |archive-date=27 July 2017 |archive-url=https://web.archive.org/web/20170727075346/https://ourworldindata.org/land-use-in-agriculture/ |url-status=live }}</ref>
+{{-}}
-{|class="wikitable"
+{{table alignment}}
+{|class="wikitable col1left col7left" style="text-align:right;"
 ! rowspan="2" |Grain
 ! colspan="5" nowrap="" |Worldwide production
@@ Line 517: / Line 545: @@
 Cereals are the most traded [[commodities]] by quantity in 2021, with wheat, maize, and rice the main cereals involved. The Americas and Europe are the largest exporters, and Asia is the largest importer.<ref name="FAO 2023"/> The largest exporter of maize is the US, while India is the largest exporter of rice. China is the largest importer of maize and of rice. Many other countries trade cereals, both as exporters and as importers.<ref name="FAO 2023">{{cite book |title=World Food and Agriculture – Statistical Yearbook 2023 |publisher=Food and Agriculture Organization |url=https://www.fao.org/documents/card/en?details=cc8166en |access-date=2023-12-13  |date=2023 |doi=10.4060/cc8166en |isbn=978-92-5-138262-2 }}</ref> Cereals are [[futures trading|traded as futures]] on world [[commodity market]]s, helping to mitigate the risks of changes in price for example, if harvests fail.<ref name="Atkin 2024">{{cite book |last1=Atkin |first1=Michael |title=Agricultural Commodity Markets: A Guide to Futures Trading |date=2024 |publisher=Taylor & Francis |isbn=9781003845379 |chapter=6. Grains}}</ref>
-<gallery mode=packed widths=600 heights=500>
+<gallery class=center mode=nolines widths=500 heights=400>
-File:Main Traded Cereals, Top Importers And Exporters (Quantities, 2021).svg|Main traded cereals, top import, export in 2021
+File:Main Traded Cereals, Top Importers And Exporters (Quantities, 2021).svg
 </gallery>
@@ Line 537: / Line 565: @@
 {{notelist}}
+<!--Sources list is after the References-->
 == References ==
@@ Line 543: / Line 572: @@
 == Sources ==
-* {{Free-content attribution |title = World Food and Agriculture – Statistical Yearbook 2023 |author = FAO |publisher = FAO |documentURL = https://www.fao.org/documents/card/en?details=cc8166en |license statement URL = https://commons.wikimedia.org/whttps://commons.wikimedia.org/wiki/File:World_Food_and_Agriculture_-_Statistical_Yearbook_2023.pdf |license = CC BY-SA IGO 3.0}}
+* {{Free-content attribution |title = World Food and Agriculture – Statistical Yearbook 2023 |publisher = FAO |documentURL = https://www.fao.org/documents/card/en?details=cc8166en |license statement URL = https://commons.wikimedia.org/whttps://commons.wikimedia.org/wiki/File:World_Food_and_Agriculture_-_Statistical_Yearbook_2023.pdf |license = CC BY-SA IGO 3.0}}
+* {{Free-content attribution | title = The State of the World's Land and Water Resources for Food and Agriculture 2025 | publisher = Food and Agriculture Organization of the United Nations (FAO)| documentURL = https://openknowledge.fao.org/server/api/core/bitstreams/a7f92713-890a-4ff8-85ae-eb2aa76ae702/content/cd7488en.html | license statement URL = https://openknowledge.fao.org/items/feba76d0-dc7e-4ad3-b287-39426f3822fd | license = CC BY 4.0}}
+* {{Free-content attribution | title = The Impact of Disasters on Agriculture and Food Security 2025 | publisher = The Food and Agriculture Organization of the United Nations | documentURL = https://openknowledge.fao.org/bitstreams/d18d9cb5-3e78-469a-b268-0aed1799d147/download | license statement URL = https://openknowledge.fao.org/items/74d08f97-306a-4653-8ffe-140a2fc4d783 | license = CC BY 4.0}}
 * {{cite book |last=Davidson |first=Alan |author-link=Alan Davidson (food writer) |chapter=Mexico |title=[[The Oxford Companion to Food]] |publisher=[[Oxford University Press]] |date=2014 |edition=3rd |isbn=978-0-19-967733-7}}
 * {{cite book |last1=Rosentrater |first1=Kurt August |title=Kent's Technology of Cereals: An Introduction for Students of Food Science and Agriculture |last2=Evers |first2=Anthony D. |date=2018 |isbn=978-0-08-100532-3 |edition=5th |publisher=Woodhead Publishing |location=Duxford, England |oclc=1004672994}}

Cereal: Difference between revisions

Latest revision as of 19:09, 21 May 2026

Contents

History

Origins

Modern

Biology

Cultivation

Planting

Growth

Harvesting

Preprocessing and storage

Processing

Effects on the environment

Impacts

Mitigations

Uses

Direct consumption

Flour-based foods

Alcohol

Animal feed

Nutrition

Whole-grain and processed

Amino acid balance

Comparison of major cereals

Production and trade commodities

Production

Trade

See also

Notes

References

Sources

Navigation menu

Cereal: Difference between revisions

Latest revision as of 19:09, 21 May 2026

History

Origins

Modern

Biology

Cultivation

Planting

Growth

Harvesting

Preprocessing and storage

Processing

Effects on the environment

Impacts

Mitigations

Uses

Direct consumption

Flour-based foods

Alcohol

Animal feed

Nutrition

Whole-grain and processed

Amino acid balance

Comparison of major cereals

Production and trade commodities

Production

Trade

See also

Notes

References

Sources

Navigation menu

Search