Agriculture Reference
In-Depth Information
P × 2.29 = P O , or P O × 0.44 = P, where P refers to the actual
2
5
2
5
amount of pure phosphorus.
Adapted from University of Idaho guidelines.
TABLE 4.3
Preplant Potassium Fertilizer Rates
Rates are in K O, based on soil tests using sodium acetate as the ex-
2
tractant.
K × 1.20 = K O or K O × 0.83 = K, where K refers to the actual amount
2
2
of pure potassium.
