Civardi, E. A., Silveira Neto, A. N. da, Ragagnin, V. A., Godoy, E. R., & Brod, E. (2011). SLOW-RELEASE UREA APPLIED TO SURFACE AND REGULAR UREA INCORPORATED TO SOIL ON MAIZE YIELD. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], 41(1), 52-59. https://doi.org/10.5216/pat.v41i1.8146