Publication Date

1993

Description

Economically optimal annual fertiliser phosphorus Prates for maintaining permanent pastures are calculated from a long-term maintenance response curve along with fertiliser price and pasture value. Parameters of the response curve are derived from nutrient balance considerations. The system provides a logical basis for maintenance P fertiliser policies, and results are in accord with limited experimental data.

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Defining Economically Optimal Phosphorus Fertilizer Rates for Permanent Grass-Clover Pastures in Spain and New Zealand

Economically optimal annual fertiliser phosphorus Prates for maintaining permanent pastures are calculated from a long-term maintenance response curve along with fertiliser price and pasture value. Parameters of the response curve are derived from nutrient balance considerations. The system provides a logical basis for maintenance P fertiliser policies, and results are in accord with limited experimental data.