Macedo, Eduardo Cortado, Doris Groth, and Antonio Augusto do Lago. “Effect of Scarification With Sulphuric Acid on the Germination of Brachiaria Humidicola (Rendle) Schweick Seeds”. Pesquisa Agropecuaria Brasileira 29, no. 3 (March 1, 1994): 455–460. Accessed October 14, 2026. https://apct.sede.embrapa.br/pab/article/view/4075.