Santos, L.F. dos et al. (2021) “Effects of biotite syenite on the nutrient levels and electrical charges in a Brazilian Savanna Ferralsol: Effects of finely ground biotite syenite ”, Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], 51, p. e66691. Available at: https://teste.revistas.ufg.br/pat/article/view/66691 (Accessed: 7 October 2026).