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How one nutrient shapes life in fields and streams, soil and sea.
In the Midwest, most of the nitrogen our crops use comes from organic matter in the soil rather than the fertilizers we apply. The amount of nitrogen the soil provides can change dramatically from year to year, leading to added complication for farmers. Are there ways to help us predict how our soil management, and other factors like the weather, influence the nitrogen that’s available to crops?
Interviewees: Mike Castellano, Lee Frelich, Tom Pyfferroen
The Story of Nitrogen
How one nutrient shapes life in fields and streams, soil and sea.