Probably don't need a pre emerge if you're burning weeds down with roundup/2,4D post emerge on beans right before they start shading the row. I'm no farmer so anyone feel free to correct that if I'm wrong.
With that being said, when planting sunflower plots for doves, we've used pendimethalin...
I concur with everything jjohnson has written here about timing and when to be in the treestand for your best opportunity at a mature buck. Our trail cams tell a similar tale. Last week in Oct up to about Nov 7-8th has always been great action for us in SE Iowa. By about Nov 15th-16th things...