I didn't get to spray my soybeans until it was almost too late. The weeds were so tall that at times the sprayer nozzles were dragging in them as I sprayed. I got lucky and it worked. I tried something new this year and planted the whole plot in beans then went back and planted over them in two strips of sunflowers. I just used bird seed and didn't seem to get the germination I usually get. The sunflowers are in the weedy strips. To the right of the beans I have a clover plot I'm trying to develope.