American Journal of Agricultural Economics · 1998 · 92 citations · 2 references
AgricultureOrganic AgricultureSustainable AgricultureFarm ManagementOrganic Crop ProductionOrganic Farm ManagementAgricultural Production SystemsAgricultural SystemsOrganic Feed SourcingOrganic Nutrient ManagementOrganic Cropping SystemsOrganic Farming PolicyOrganic Farming SystemsOrganic Production SystemsTransition To Organic Production
2
Edward Balfour · 1943 · 127 citations
J. George Harrar · Science · 1955 · 51 citations