Use a residual herbicide!!!!<BR> Corn  atrazine, Dual Magnum/Generics, Callisto, Prowl <BR>Atrazine resistance in Macon Co (2007) <BR> <BR> Peanut  Valor, Dual Magnum/Generics, Prowl, Sonalan <BR> <BR> Soybean  Valor, Valor XLT, Reflex, Canopy, Sencor, Dual Magnum/Generics, Boundary, Prefix, Treflan, Prowl <BR>