Melo, Leonidas Carrijo Azevedo, et al. “MAIZE NUTRITION AND DRY MATTER YIELD UNDER LIMING AND SULFUR FERTILIZATION”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 41, no. 2, May 2011, pp. 193-9, https://revistas.ufg.br/pat/article/view/8685.