Farm resource management program: annual report for 1991

afrique du nord cicer arietinum climatologia climatologie climatology cropping systems farm management farming systems fertilidad del suelo formation gestion de l'exploitation agricole gestion des ressources hordeum vulgare international cooperation lens culinaris manejo de fincas manejo del suelo medicago middle east mise en valeur du sol moyen orient north africa oriente medio ovin ovinos pisum sativum recherche research resource management sheep sistemas de cultivo soil fertility soil management technology transfer training transfert de technologie triticum aestivum triticum durum vicia faba vicia sativa