استعرض African Union Specialized Technical Office on Research and Development in Semi-Arid Zones of Africa (AU SAFGRAD) Collection حسب الموضوع "Farming systems"
الآن تُعرض المواد 1 -- 2 من 2
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Annual report 1984-85, SAFGRAD JP 31 Farming System Research (FSR)
(AU-SAFGRAD, 1984) -
FOOD GRAIN PRODUCTION IN SEMI - ARID AFRICA
(AU-SAFGRAD, 1986)