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Kentucky | Well, it depends on how you mix the chemicals. I'll give an example. Let's say you are spraying a 15 inch band over 30 inch rows. That means you are covering half the surface area of the field. Your controller doesn't know your nozzle isn't spraying a full coverage so if you tell it 10 gpa it applies that based on full coverage, but your nozzle is concentrating it on half the area meaning that area is getting the equivalent of 20 gpa. That's okay if you put in half as much chemical because of the concentrated band.
So if you wanted a quart of Roundup per acre broadcast then you would figure a pint per acre banded if the band was at 50% of the area.
If the band is 10 inches and the row width 30 inches, you are covering 1/3 the area so use 1/3 the chemical.
I would tell the controller the gallons you want for the tip and adjust the chemicals for the percent of area covered. If you adjust your gallons, you need to go the opposite direction of what you mentioned. 50% coverage means that if you are spraying 10 gpa broadcast, you tell the controller 5 gpa for banded. That might not work for your tips so that's why I would adjust the chemicals.
Hope this is clear. | |
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sprayer question
