Unless you guys have sprayed commercially, like for a co-op, or on a farm... "professionally", you have no idea. Sorry. I know George and John know, and I have sprayed a fair share also. The stuff you can buy without an applicators license is piddly in comparison. "Commercial" Round-Up will burn down in just a day or two, and be solid dead in 5 and the mix rate is way different. I don't get too concerned with the mix rate on the bottle of Round-up from Walmart or TSC. It's pretty weak stuff really.
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