GRAIN
Grains, also called cereal or cereal grains, are the seeds or fruits of various plants in the grass family, and include wheat, corn, rice, barley, oats, millet, rye, sorghum, and triticale. Some other seeds that are not grasses, but are usually characterized as grains are buckwheat, quinoa, and wild rice. Cereal grains were some of the first domesticated plants, and are the most important staple foods throughout the world. Cereal grains are the least expensive source of calories for human consumption.
A grain elevator in Hutchinson, Kansas is 1/2 mile long and holds 46 million bushels in its 1,000 bins.
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