Cicero, S. M., Toledo, F. F. de, Gutierrez, L. E., & Campos, H. de. (2014). The soil fertility and its relation with the production, the weight and the chemical composition of corn seeds. Pesquisa Agropecuaria Brasileira, 16(5), 627–631. https://doi.org/10.1590/S1678-3921.pab1981.v16.17040