After recent heavy rainfalls, runoff, leaching or denitrification can affect the nitrogen (N) levels in no-tillers' soil, but this N loss can be mitigated through good management strategies.
The two primary loss pathways are leaching and denitrification, both of which happen when N is in the nitrate form. The conversion of N to nitrate is biological in nature, and is therefore time and temperature dependent.
Given the current price of nitrogen (N) and widely varying field conditions, an understanding of loss mechanisms and other estimates of loss or soil tests may help decide on 2022 management in fields where N has already been applied.
University of Illinois Extension discusses the potential fate of early nitrogen applied before heavy rains arrived in May, and whether more might be needed to be applied for crops this growing season.
University of Minnesota Extension explains the nitrogen cycle, how nitrogen can transform and end up leaving the soil through the atmosphere or local waterways.
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On this episode of Conservation Ag Update, brought to you by Titan International, a big piece of equipment is unveiled at the Kinze Product Innovation Day in Williamsburg, Iowa.
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