LIBROS DEL AUTOR: fritz fuhr

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  • Praxisnahe Tracerversuche zum Verbleib von Pflanzenschutzwirkstoffen im Agrarökosystem
    Fritz Führ
    According to the FAO’s latest estimates, the world food supply can only be guaranteed if the 1982 agricultural production is increased by approx. 50% by the year 2000. ¥3 of this production increase must be achieved on areas already under cultivation. This means that in addition to balanced mineral fertilization the use of pesticides will have to be i...
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    74,08 €