The amount of nitrogen fertilizer needed to maximize the profitability of corn production in the Midwest has been increasing ...

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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 ...

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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 ...

Nitrogen fertilizer rates in the Corn Belt have increased by approximately 1.2% annually over the past 30 years, driven by wetter springs and higher yield demands.

Ideal nitrogen fertilizer rates in Corn Belt have been climbing for decades. ScienceDaily . Retrieved March 26, 2025 from www.sciencedaily.com / releases / 2025 / 03 / 250303191256.htm ...