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Nitrogen and phosphorus transport by surface runoff from a silty clay loam soil under sugarcane in the humid tropical environment of Mauritius[J] . K.F. Ng Kee Kwong,A. Bholah,L. Volcy,K. Pynee.Agriculture, Ecosystems and Environment . 2002 (1)
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The relationship of land use practices to surface water quality in the Upper Oconee Watershed of Georgia[J] . D.S Fisher,J.L Steiner,D.M Endale,J.A Stuedemann,H.H Schomberg,A.J Franzluebbers,S.R Wilkinson.Forest Ecology and Management . 2000 (1)