DADHICH ANIMA SUNIL. An Investigation into the Effect of Calcium and Sodium Ions on pH Dependent Retention of Phosphate by Some Soil Samples and Correlating It to the Soil Properties: a Study Done at Visakhapatnam City. International Journal of Research in Chemistry and Environment (IJRCE), [S. l.], v. 2, n. 1, p. 270–274, 2011. Disponível em: https://ijrce.org/index.php/ijrce/article/view/176. Acesso em: 25 nov. 2024.