Research Article
Organic Carbon and Nitrogen Distribution in Particle-size Fractions of Soils Under Cassava, Plantain and Rubber Based Land Use
Department of Crop and Soil Science, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Nigeria
A.O. Benwari
Department of Crop and Soil Science, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Nigeria
E.T. Osaro
Department of Crop and Soil Science, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Nigeria