Oliveira, Itamar Pereira de, et al. “QUALITATIVE AND QUANTITATIVE EFFECTS OF PHOSPHORUS APPLICATION ON TANZÂNIA-1 GRASS”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 30, no. 1, Dec. 2007, pp. 37-41, https://revistas.ufg.br/pat/article/view/2832.