NUTRIENTS REMOVED IN HARVESTED PORTIONS OF CROPS

Crop Unit of Yield Nutrient removed per unit of yield
P2O5 K2O
lb/unit
Corn
    Feed grain
bushel 0.37 0.27
    Silage
ton 3.30 8.00
Soybeans bushel 0.80 1.40
Wheat
    Grain
bushel 0.63 0.37
    Straw
bushel 0.09 0.91
Alfalfa ton 13.00 50.00
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Corn, Soybean, Wheat, and Alfalfa Field GuideBulletin 827