dos Santos, Henrique Pereira. “Effect of White Oats, Black Oats, Ryegrass and Wheat Cultivation on Agronomic Soybean Characteristics”. Pesquisa Agropecuaria Brasileira 26, no. 9 (September 1, 1991): 1563–1576. Accessed July 4, 2026. https://apct.sede.embrapa.br/pab/article/view/3498.