Vasconcelos, Diógenes de Morais, and Lêucio Marques de Almeida. “Chemical Fertillization of Rice in the Northeast”. Pesquisa Agropecuaria Brasileira, vol. 1, no. 1, Mar. 2024, pp. 353-6, https://doi.org/10.1590/S1678-3921.pab1966.v1.18038.