Rodrigo Silva

University of Sao Paulo / ESALQ
11 Padua Dias, P.O. Box 9, 13418-900. Piracicaba, Sao Paulo State, Brazil.
Piracicaba Brazil Email: rcdsilva@esalq.usp.br

Papers:
129-7 Available Phosphorus Extracted by Ion Exchange Resin and Pi Strip in Brazilian Tropical Soils Treated with Phosphogypsum.