How does the Tri-State (Indiana, Ohio, Michigan) calculator determine nutrient replacement?
Overview:
The Tri-State calculator can be used to determine phosphorus and potassium removal/replacement for corn and soybeans.
Answer:
The Tri-State calculator utilizes the following equations:
|
Crop |
Phosphorus |
Potassium |
|
Corn |
P Rec = 0.37 * Yield |
K Rec = 0.27 * Yield |
|
Soybeans |
P Rec = 0.80 * Yield |
K Rec = 1.40 * Yield |
