The Iowa calculator can be used to determine phosphorus and potassium removal/replacement for corn and soybeans.
The Iowa calculator utilized the following equations:
Crop
Phosphorus
Potassium
Corn
P Rec = 0.32 * Yield
K Rec = 0.22 * Yield
Soybeans
P Rec = 0.75 * Yield
K Rec = 1.20 * Yield
Related Articles:How do I create and run a Script using Advanced Nutrient Recommendation in Field360 Studio?
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