Neptune, André M. Louis, and Alfredo J. Lopez Perez. “ Availability of Phosphorus in Some Soils of the State of São Paulo, Brazil, for Bean Plants (Phaseolus Vulgaris L.) and Correlations Among Forms of P in These Soils and Dry Matter Weight and P Uptake by Plants ”. Anais da Escola Superior de Agricultura Luiz de Queiroz 44, no. 1 (January 1, 1987): 769–800. Accessed May 28, 2024. https://www.revistas.usp.br/aesalq/article/view/5102.