How Much Water Should Be Used When Chemigating Kerb on Lettuce (August 21, 2013)
Unlike Prefar and Balan, Kerb does not adhere strongly to soil. Balan and Prefar
adhere very stongly to the soil and Balan should be mechanically incorporated and
Prefar needs to have a lot of water put over the top of it to be adequately incorporated.
Kerb is the opposite. It will move below the germinating weeds if too much water
is applied. We conducted a few trials several years ago to get an idea how long
it should take to run Kerb through the sprinklers when chemigating and how much
water to put on after it is applied. The results are in the following graphs but
every field and every year can be different. These trials give us a general idea
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