Toledo Machado, Altair, Ladaslav Sodek, Johanna Döbereiner, and Verônica Massena Reis. 1998. “Evaluation of Nitrogen Fertilizer and Inoculation With Diazotrophic Bacteria on the Biochemical Behavior of the Maize Cultivar Nitroflint”. Pesquisa Agropecuaria Brasileira 33 (6):961-70. https://doi.org/10.1590/S1678-3921.pab1998.v33.4920.