Donnellson, IA. Makes saying here easier. | Residual will be longer with simazine. Most here is used in the fall ahead of corn with a 2 4D dicamba pass to keep fields decently clean until planting. I like both products but using the simazine pre with the atrazine post, mixed if all pre. We haven't sprayed many acres this way for awhile but all of our corn on corn will get this program this season. My chem labels are on my tablet but I would say simazine would have better grass control, we don't struggle with grass early so not something Ive logged. And on the spectrum of broadleaves it falls between small seeded like your acetachlor and atrazines large seeded effectiveness in my experiences. I have backed my atrazine down pre where not running simazine just because we struggle a lot with cocklebur late season and the higher rate of atz post really has helped that. If you fight grass later have you tried running capreno instead. Ive never used any because we haven't had the late season issue with grasses but I know with the ingredients in it the residual of grass and post activity would be extended a couple weeks. Price is more but an option. Early post here the callisto, impact, laudis clan does great if the grasses don't get a start, the rows close soon after(v4-5 pass). All from my experience. I wrote this quick and apologize for any inaccuracies I will try to load my chem experience bible later and double check. We have been really happy with our non-gmo corn and the cleanliness of fields. Have a good day.
Edited by DobsonAG 1/1/2018 19:57
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