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New sprayer tips for burndown
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Posted 3/25/2020 09:56 (#8137422 - in reply to #8135570)
Subject: RE: New sprayer tips for burndown

Yeah, especially if you have a stubble, probably best to stick to 15" rows. Your nozzles arent too small, especially the 14GPA ones. It'd be a bigger deal if you were going 6-7MPH.
I have some aussies that even use 65° nozzles because they are spraying into so much stubble that it limits how much get hung up. All in all, might be worthwhile considering 80°s for those reasons too. Your overlap with 80s will be more than fine, especially since you are on 15" spacing.

For the PWM system, not sure if you've seen that Capstan EVO system, pretty much sharpshooter that you can supposedly set up yourself with a kit, and it was like $15k. A lot more reasonable than paying shop hours to get it installed otherwise.
Some function of it is lesser than like PinPoint (like turn comp is done by section, not individual, etc), but much of it is the same.

For your chems, checking the labels (at least in Canada, so might be different for you):
AIM - Apply as a very coarse spray (~400-450µ), trying to maintain <10% of volume being smaller than 200 microns.

VIDA (ET) - Label is a bit more wishy washy as far as spray quality, but by mode of application, it should be similar to AIM.

Paraquat - Requires spray is larger than medium spray quality (medium to coarse and coarser). It'd be similar to sharpen, but can tolerate a bit coarser spray if mixing.

Sharpen - Sharpen is best applied with a finer spray than the rest, being moreso suited towards the medium/coarse spray quality. Still wanna minimize driftable fines, but coverage needs to be heavier.

So all in all, depending which are being done with which rate, and how many acres you are spraying, it might still be beneficial to actually have two nozzles for the 14GPA if you were doing separate applications for the finer spray chems versus the coarser required chems. Again, only makes sense if you are doing enough acres as separate applications anyways.

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