Almeida, Dejair Lopes de, and Ary Carlos X. Velloso. 2014. “Phosphate Fixation in Soils from the State of Rio De Janeiro”. Pesquisa Agropecuaria Brasileira 17 (7):1023-29. https://doi.org/10.1590/S1678-3921.pab1982.v17.15981.