Sieczkowski Martins Vianna, G. S. and Fleck, N. G. (2014) “Soil residual activity of herbicides applied in post-emergence for grass weed control under two environmental conditions”, Pesquisa Agropecuaria Brasileira, 23(10), pp. 1095–1105. doi: 10.1590/S1678-3921.pab1988.v23.14047.