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| 24d I’ve read just doesn’t work as well in the cold. I’ve seen people say roundup should be sprayed when the two previous nights don’t go below 40 and the high is in the 60’s but I’ve also seen people on agtalk say in those same threads if they waited that long they wouldn’t get to spray being so far north. All that is to say I’d think you’d want it higher than the roundup low of 40 but sometimes ya gotta take what the lord gives you
I’d also think the conditions of the day could matter, whether it’s cloudy and humid and a lot of dew on leaves or sunny and dry.
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2 4 d and low temps
