Rosa, B., & Fichtner, S. S. (2007). EVALUATION OF THE OXALIC ACID CONTENT OF ANDROPOGON GRASS (Andropogon gayanus var. bisquamulatus cv. Planaltina) AT DIFFERENT CUTTING AGES. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], 23(1), 119-127. https://doi.org/10.5216/pat.v23i1.2635