Re: Round Up ????

Posted by paul on June 21, 2007 at 17:09:49 from (66.44.133.16):

In Reply to: Round Up ???? posted by Devin Sparks on June 21, 2007 at 10:07:39:

Glyspohate actually works better with less water. 10 gpa would be good. 15 is ok. Lot of sprayers are around 12.5 gpa.

Glysophate becomes inactive when it binds up with clay particles. So have clean water, not like some used to do & sump pump it out of the pond.

It will also bind up in hard water, so typically 2-4# per acre of that souluable N fertilizer is added - called AMS.

If you calibrated your rig, you should have the 'amount' questions answered. Your ground speed, spray tips, and pump pressure (25-40 lbs, if you get higher it makes a mist & causes drift.....) will all afect your application rate, so we really can't help you.

When you calibrated, you woulds sprayed an acre or 5 of known area & see how much clear water was used. That will tell you how much you are putting down per acre, and then do the math from there.

If you apply 10 gal per acre, your 325 gallon tank would use 32.5 quarts of RU, a bag & 1/2 of AMS (or 60 lbs about), and I like to throw in a little crop oil as well (gal per 100 gal or so), tho most glyphosate is sold with some in already.

If you apply 15 gal per acre, you would want 22 quarts of RU, a bag of AMS.

Going to depend on the results of your calibration test.

--->Paul

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