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Old 02-04-2013, 06:51 PM
FdLLawnMan's Avatar
FdLLawnMan FdLLawnMan is offline
LawnSite Bronze Member
Join Date: Jul 2004
Location: East Central WI
Posts: 1,122
I disagree. Our state university did a study on synthetic fertilizer vs organic.and when using a meter to measure photosynthesis it took 5 applications of organic to match 4 application of synthetic. The higher the amount of water soluble nitrogen in the organic the better. Water insoluble organics are really slow acting.
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