6/15/2015 8:06 PM
I know a bunch of guys that do it, but none get it to last more than a few cycles.
We have been using a proportioner and injecting directly into the water. Somewhere in the middle of the night it's gone. We are assuming around 5 hours in.
My biggest concern is since you are only using 10#, even at 100%/cycle, are you getting enough product out to do any good? If the smaller tablets are 4oz and only last around 10k sqft when using a hose, then 4 small tablets would last roughly an acre. So multiply by 10# and you get 10 acres.
We also use an 11% a.i. liquid product and inject through the fertigation. If we assume it weighs 10#/gallon with 1.1#/a.i. per gallon, then it would take me about 9 gallons of product to roughly equal a 10# pellet with 100% a.i. At $3.50/gallon, the liquid would cost me $31.50/app. The pellets are around $80/each. The rate for the liquid we buy is 50-100gals/app, or 55-110#/a.i. to cover 100 acres, which is around .55-1.1# a.i./acre. Which is about what the comparison to the smaller pellets got me.
The liquid seems cheaper and more effective based on my thinking. Am I missing something here?