Kliemann, Huberto José, et al. “RELATIONS OF Brachiaria Brizantha TO GREEN MATTER YIELD AND NUTRIENT AVAILABILITY RATES IN SOILS MANAGED UNDER THE ‘BARREIRÃO’ SYSTEM”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 33, no. 1, Nov. 2007, pp. 49-56, https://doi.org/10.5216/pat.v33i1.2400.