LIBROS DEL AUTOR: frits penning de vries

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  • Systems approaches for agricultural development
    Frits Penning de Vries / Klaas Metselaar / Paul Teng
    The symposium In the next decades, agriculture will have to cope with an ever-increasing demand for food and raw basic materials on the one hand, and with the necessity to use resources without further degrading or exhausting the environment on the other hand, and all this within a dynamic framework of social and economic conditions. Intensification, ...
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