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Maize (ZEA MAYS), also known as corn, is one of world's major cereal grains along with wheat and rice. It was domesticated as long ago as 12000 b.c.e. from a tropical grass in the Americas, where it became the foundation of agriculture for the Mayans, Incans, Aztecs, and other American indigenous groups. After European contact with the Americas, maize spread throughout the world, becoming extensively grown in former European colonies from Africa to Asia and in eastern Europe. Today the United States remains by far the top producer of corn, followed by China, Brazil, Mexico, and Argentina. Maize is still a staple in subsistence communities in Mesoamerica.

Maize is a tall grass-like plant that grows from six to twenty feet tall and produces two to six ...

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