10/15/2011 6:10 PM
Micro dose of Sonar.
10 ppb, 30 days later 5 ppb, 30 days later if problem persists 5 ppb
Ac x average depth = acre feet x desired ppb x .00272 / lbs ai.= gallons of product needed.
Sonar ai is 4lbs.
this formula is irrigation safe.
Regards,
Steve