Carvalho SJP de, Damin V, Dias ACR, Yamasaki GM, Christoffoleti PJ. Efficacy and pH of glyphosate spray solutions after the addition of nitrogen fertilizers and the use of CO2-pressurized sprayer. PAB. 2010;44(6):569-575. doi:10.1590/S1678-3921.pab2009.v44.1999