High level of nitrates have been detected in forages this year in South Dakota and other states. Depending on where you live, it could be due to weather conditions, fertilizer, previous crop, or a combination.
Agriculture on the Great Plains in the coming decades may be adversely affected by a shifting of the climate boundary due to global warming, says Richard Seager, a climate scientist at Columbia University.
Hot and dry cornfield conditions are breeding grounds for dangerous aspergillus ear and kernel mold that produces aflatoxins. This toxin is a carcinogen, can harm livestock and can lead to rejection at the elevator.