Field Crops Research · 2014 · 55 citations · 43 references
AgricultureAgronomySoil SciencesCropping SystemsLivestock ProductionSoil FertilityCrop RotationCropping System IntensificationManure ManagementManure Nutrient ManagementSoil Fertility MaintenanceSoil Fertility ManagementCrop Rotation ImpactsCrop Rotation PatternsFeedlot Manure ManagementLivestock Manure ManagementManure Impacts On Soil Fertility
43
Dirt: the erosion of civilizations
Choice Reviews Online · 2007 · 469 citations
Humanities, Geography, History +15