Episode 4- The Soil Bank Account

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

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