Blanco, H. G., Matallo, M. B., & Blanco, F. M. G. (1994). Soil persistence of cyanazine under field conditions in humid tropic. Pesquisa Agropecuaria Brasileira, 29(3), 397–400. https://doi.org/10.1590/S1678-3921.pab1994.v29.4068