Publication Date

1997

Description

The implementation of the European Agricultural Policy implies a new orientation for the management of dairy farms and, as a result, of pasture fertilization. It is important to develop a new methodology for the calculation of fertilizer recommendations. In order to do this, a model based on P and K nutrient cycles has been used and a computer program has been developed to calculate these cycles and estimate the following parameters: potential pasture yield, yield at the different cuttings, efficiency of excreta recycling in the pasture and efficiency of grass utilization, all these parameters being necessary for the calculation of P and K cycles for pastures. The program developed has been proven to be solid enough and it is being used for giving pasture fertilizer recommendations.

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Nutrient Cycling for Pasture Fertilization Management of Dairy Farms in the Basque Country (Northern Spain)

The implementation of the European Agricultural Policy implies a new orientation for the management of dairy farms and, as a result, of pasture fertilization. It is important to develop a new methodology for the calculation of fertilizer recommendations. In order to do this, a model based on P and K nutrient cycles has been used and a computer program has been developed to calculate these cycles and estimate the following parameters: potential pasture yield, yield at the different cuttings, efficiency of excreta recycling in the pasture and efficiency of grass utilization, all these parameters being necessary for the calculation of P and K cycles for pastures. The program developed has been proven to be solid enough and it is being used for giving pasture fertilizer recommendations.