The biology of agricultural systemsAn introduction to soil scienceLe potager agricoleCrop physiologyAgricultural insects pests of the tropics and their controlCrops under glassEcological distribution of 1000 economic plants

Tecnología agrícola||agricultural technology||undefined||technologie agricole, Materiales de enseñanza||teaching materials||material de ensino||matériel pédagogique, Resumen||abstracts||undefined||résumé,

Instituto Interamericano de Cooperación para la Agricultura (IICA)

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