Some farmers will harvest and eat the leaves as a vegetable.
American farmers harvested 7.9 billion bushels of corn last year.
These farmers are now harvesting crops during the six-month dry season.
When farmers grow and harvest crops, they remove some of these nutrients from the soil.
American farmers harvested 1.93 billion bushels of soybeans last year.
At the time, a farmer had never harvested more than half a ton of wheat from an acre.
"If we do not fight, I don't think the farmers can go back to their farms and harvest their rice."
In Church's painting, it was summer and the farmers harvesting hay against a backdrop of rocks were building a new country.
Smaller, weaker plants are not likely to form the full ears of corn that farmers usually harvest, scientists said.
Since white mold affects plants very late in the growing season farmers would often harvest early to avoid losing much of their crop.