@article{berton_pratt_1997, title={EVALUATION OF PHOSPHORUS REQUIREMENT BY THE SORPTION ISOTHERM TECHNIQUE IN SOILS AMENDED WITH ORGANIC MATERIALS }, volume={21}, ISSN={0100-0683}, url={https://doi.org/10.36783/18069657rbcs19972005}, DOI={10.36783/18069657rbcs19972005}, number={2}, journal={Revista Brasileira de Ciência do Solo}, publisher={Sociedade Brasileira de Ciência do Solo}, author={BERTON, R. S. and PRATT, P. F.}, year={1997}, pages={199–206} }