Posted 1/18/2019 19:37 (#7254690 - in reply to #7254588) Subject: RE: Dowdy - corn yield drag due to Herbicide??
In a recent talk he showed a chart that in a 300 bushel yield environment spraying round up and atrazine only there was a 40 bushel knock from v6/v7 spraying compared to v3/v4. So his point was basically be done by then.