Nitrogen (N) is an important nutrient for crop growth. However, the overuse of N fertilizers has led to a series of devastating global environmental issues. Recent studies show that multiple datasets ...

During the mature stage, select ten plants with consistent growth from each plot. Plant height and main spike length were measured using a tape measure. The number of branches was counted, starting ...

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 ...

Surging fertilizer prices are beginning to reshape global grain production, as farmers from Argentina to Europe cut nutrient ...

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.

AMES, Iowa – When Michael Castellano tells people there are billions of different variations of farmer decisions and environmental conditions that can affect how much nitrogen fertilizer is just ...

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 ...