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Old March 31, 2021   #14
Yak54
Tomatovillian™
 
Join Date: May 2009
Location: Madison, OH, zone 6
Posts: 458
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I've used Penn State lab for my soil tests since year 2000. Before that I was just guessing for my 600 sq. foot garden plot. Nice to know the soil nutrient levels and the PH level.
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