Chemical Composition of Kentucky Bluegrass (Poa pratensis) as a Function of Applied Nitrogen, Phosphorus, and Potassium
1963
Walker, William M. | Pesek, John
SynopsisThe mean percentages of N, P, and K in clippings were determined and expressed as functions of the applied fertilizer by multiple regression methods. The coefficients of determination for the 3 functions were all above 0.97, indicating that quadratic functions with linear ✕ linear interactions served to express the relationships well.
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