Four studies released from 2019 to 2023 by the University of Illinois show that on average, 67% of nitrogen found in corn comes from sources occurring in the soil. Researchers labeled nitrogen fertilizers applied with N15 to identify naturally occurring nitrogen vs. synthetic nitrogen.
URBANA - The common practice of adding nitrogen fertilizer is believed to benefit the soil by building organic carbon, but four University of Illinois soil scientists dispute this view based on analyses of soil samples from the Morrow Plots that date back to before the current practice began. The research, also drawing…
Corn growers seeking to increase the amount of nitrogen taken up by the crop can adjust many aspects of fertilizer application, but recent University of Illinois studies show the tweaks
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