Agronomic-economic research on soils of the tropics : 1980-1981 Technical Report - Nicholaides, John J. 1944-; Couto, Walter; Wade, M. K. (Raleigh, N.C. : Soil Science Dept North Carolina State University, 1983)
Bibliografia: p. 135-137.
Keywords: SUELOS -- ADMINISTRACION; SUELO TROPICAL