Phosphorus is one of the nutrients targeted in the nutrient reduction strategy recently proposed by the Illinois EPA. Phosphorus loss isn’t so much about amount, timing and form, but about soil and water runoff. If you keep the soil and water in the field in place, you pretty much keep phosphorus for the crop.
Phosphorus is a unique nutrient in that it is fixed in the soil and is nonmobile. The soil naturally has abundant calcium, iron...
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