Agricultural Systems · 1977 · 109 citations · 22 references
Natural ResourcesAgronomyAgricultural Landscape EcologyAgricultural GeographyAgricultural Land ManagementAgricultural LandscapesAgricultural Production SystemsAgricultural SystemsCropping PatternsAgricultural Land SystemsFarm TypologySoil Typology
22
E. N. Anderson · Journal of California Anthropology, The · 1977 · 2.6K citations
George S. Wehrwein · Economic Geography · 1942 · 105 citations
Crop-Combination Regions in the Middle West
John C. Weaver · Geographical Review · 1954 · 95 citations
Systems of Agriculture in Tropical Africa
George Benneh · Economic Geography · 1972 · 66 citations
Social Sciences, Agricultural Economics, African Studies +14