Originally Posted by Exact Rototilling
Re: crabgrass. Real life example from last year. This client used to be a licensed applicator back in the day just shy of 2 decades. They absolutely love my cut quality and attention to detail but last summer he really poured on the high nitrogen fert and went to daily watering. Lawn is small and I flat out had to double cut it and was basically forced to bag and mow it down to 2.5" which is as short as I go.
Sure enough the crab grass really flourished and loved those conditions for some reason.
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The reason CG really took off in this guys turf was becuz of the excessive watering, washes away the pre-m... also the 2.5 inch cut allows every sq. inch of soil to recieve all the sunlight available and heats up the ground for the CG to fourish and cool-season grasses to begin dormancy...
Some people chose not to think along those lines and look for other reasons and of course they'll NEVER resolve the issue...
here is the URL I promised :