A farmer applies nitrogen fertilizer to a corn field in Boone County in June 2024. Photo by Alex Schaffer/Iowa Soybean Association. AMES, Iowa – The amount of nitrogen fertilizer needed to maximize ...

There is a wide variation in the number of crop producers across the United States that had all of their 2026 fertilizer needs already booked and paid for prior to the initiation of the current U.S.

Maintenance and testing before going to the field are musts for farmers. There is nothing more beautiful—to your eye, yield monitor and bottom line—than a perfectly and uniformly fertilized field.

Reducing nitrogen fertilization rates to the environmental optimum would cause a drop in yield of about 6% while only slightly reducing nitrogen loss, an unfavorable trade-off, Archontoulis said. "If ...

AMES, Iowa – The amount of nitrogen fertilizer needed to maximize the profitability of corn production in the Midwest has been increasing by about 1.2% per year for the past three decades, according ...