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Maize / m eɪ z / (Zea mays), also known as corn in North American English, is a tall stout grass that produces cereal grain.It was domesticated by indigenous peoples in southern Mexico about 9,000 years ago from wild teosinte.
Map of average growing season length from "Geography of Ohio," 1923. A season is a division of the year marked by changes in weather, ecology, and the amount of daylight. The growing season is that portion of the year in which local conditions (i.e. rainfall, temperature, daylight) permit normal plant growth.
The US is the world's largest producer of corn. [8] According to the United States Department of Agriculture (USDA), the average U.S. yield for corn was 177 bushels per acre, up 3.3 percent over 2020 and a record high, with 16 states posting state records in output, and Iowa reporting a record of 205 bushels of corn per acre.
Plus, newer corn varieties are sweeter — “a whole lot more sugar” — with bigger kernels. “This is an old-fashioned variety, it’s just a good ole sweet corn,” Penny said of Silver Queen.
The oldest type of sweet corn contains more sugar and less starch than field corn intended for livestock. Tends to be heartier in respect to planting depth, germination and growth than other types. Begins conversion of sugar to starch after peak maturity or harvest, and as such is best eaten immediately after harvest.
An example is the Three Sisters, the inter-planting of corn with pole beans and vining squash or pumpkins. In this system, the beans provide nitrogen; the corn provides support for the beans and a "screen" against squash vine borer; the vining squash provides a weed suppressive canopy and a discouragement for corn-hungry raccoons. [8]
The corn earworm is a major agricultural pest, with a large host range encompassing corn and many other crop plants. [18] H. zea is the second-most important economic pest species in North America, next to the codling moth.
The Western Corn Belt Plains is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in seven U.S. states, though predominantly in Iowa. It has been subdivided into fifteen Level IV ecoregions .
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