Ninety-one percent of farmers were overapplying nitrogen fertilizer to their crops, with some spreading up to 30 pounds more per acre than recommended by agronomists at the University of ...

This chemical contains nitrogen and plays ... and skipping the costly fertilizers may be tempting, but the health risks of handling ammonia are quite high -- another reason why it shouldn't be used in ...

Researchers uncover a seven-gene pathway enabling corn and rice to fix nitrogen directly from the air, eliminating fertilizer ...