Depending on the soil and environment, 28,000 to 45,000 corn seeds can be planted per acre. In Iowa, a corn field may have 30,000 plants per acre. Corn seed should be planed about 1.5 to 2 inches deep in the ground.
Most of the corn in the United States is grown in the following states: Illinois, Iowa, Indiana, North Dakota, South Dakota, Missouri, Kentucky, Ohio and Mississippi. The top two corn producing states are Illinois and Iowa. This corn is used to feed both humans and animals. It also has industrial uses, such as ethanol. Corn is one of the most popular grains in the farming industry.