Saccol, A. V., & Estefanel, V. (1995). Competition between barnyardgrass and soybean cultivated in hydromorphic soil. II. Effect on some agronomic characteristics. Pesquisa Agropecuaria Brasileira, 30(3), 327–338. https://doi.org/10.1590/S1678-3921.pab1995.v30.4311