World Development · 1980 · 21 citations · 0 references
AgricultureAgricultural EconomicsAgricultural DevelopmentCropping SystemsRural DevelopmentAgrarian ChangeCropping PatternsCropping System DesignCropping System IntensificationCropping System SustainabilityRural MigrationAgrarian Land Use ChangeAgricultural TransformationPost-agrarian TransitionStructural Change PersistenceStructural Demographic Change