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Old 10-01-2012, 11:47 PM
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nmez21 nmez21 is offline
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Join Date: Sep 2005
Location: Wisconsin
Posts: 712
Originally Posted by coolbrze View Post
Their lawn is Tall Fescue, I didn't take the sample but one of my guys did. I told him to sample 4-6" deep consistently. Any help on what to recommend applying & when is greatly appreciated.
Just a heads up that oftentimes P levels decrease significantly as you go deeper into the soil. See the attached graphic taken from a Wisconsin putting green. Courtesy Dr. Soldat UW-M. Most important thing is consistency of depth from sample to sample though and year to year to ensure results that are worth interpreting.

Was the lawn tested because it had a visual problem?
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