Lôbo, L. M., Ferreira, E. de M., Muniz, C. O., Ferreira, C. A. da S., & Fernandes Brasil, E. P. (2019). HUMIC SUBSTANCES AND PHOSPHOROUS SOURCES IN MAIZE CROPS. Nativa, 7(4), 371–375. https://doi.org/10.31413/nativa.v7i4.6130