Fernandes, Luiz Arnaldo, Valdemar Faquin, Antonio Eduardo Furtini Neto, and Nilton Curi. 2002. “Phosphorus Forms in Lowland Soils and Bioavailability to Bean Plants”. Pesquisa Agropecuaria Brasileira 37 (3):373-83. https://doi.org/10.1590/S1678-3921.pab2002.v37.6350.