Santos, Henrique Pereira dos, Celso Wobeto, and Luiz Ricardo Pereira. “Crop Rotation in Guarapuava. X. Effects of Winter Crops on Some Agronomic Characteristics of Soybean Plants under Direct Drilling”. Pesquisa Agropecuaria Brasileira 26, no. 9 (September 1, 1991): 1551–1561. Accessed March 28, 2026. https://apct.sede.embrapa.br/pab/article/view/3497.