Sieczkowski Martins Vianna, Geraldo Silvestre, and Nilson Gilberto Fleck. 2014. “Soil Residual Activity of Herbicides Applied in Post-Emergence for Grass Weed Control under Two Environmental Conditions”. Pesquisa Agropecuaria Brasileira 23 (10): 1095-1105. https://doi.org/10.1590/S1678-3921.pab1988.v23.14047.