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3. Spatial and temporal assessment of linear erosion in catchments under sloping lands of Northern Laos;Chaplot;Catena,2005
4. Spatial variability in crop response under contour hedgerow systems in the Andes region of Ecuador;Dercon;Soil Tillage Res.,2006
5. Weed infestation and soil erosion resulting from the breakdown of the slash and burn cultivation system;de Rouw,2001