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Effect of lowering pH in tank mix with herbicides



Dear Sanet,

A farmer recently described to me how he lowered the pH of his tank mix of
a common broad-leaf herbicide to increase its effectiveness.  By lowering
the pH, he only used 4-6 ounces per tank compared with the recommended
10-16 ounces.  He reports that this method works.

Can anyone explain the chemistry behind this?  Has anyone heard of this?

Thanks for any input...


Nathan Boone
Research Director


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