HORTICULTURE

Detailed explanation-1: -The cereal grains have been bred to increase the starch content of the cereal grain seed. In the U.S., the primary cereal grain fed to livestock is corn.

Detailed explanation-2: -"More than half the U.S. grain and nearly 40 percent of world grain is being fed to livestock rather than being consumed directly by humans, ‘’ Pimentel said. “Although grain production is increasing in total, the per capita supply has been decreasing for more than a decade.

Detailed explanation-3: -Corn, soybeans, barley and oats The largest United States crop in terms of total production is corn, the majority of which is grown in a region known as the Corn Belt. The second largest crop grown in the United States is soybeans. As with corn, soybeans are primarily grown in the Midwestern states.