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Old 03-12-2012, 10:21 PM
greendoctor greendoctor is offline
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Join Date: Mar 2008
Location: Honolulu, Hawaii
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That is the green grass formula used by golf supers and warm season LCO's that know. The color from this application lasts as well, because the ammonium sulfate is absorbed and supplies sulfur in addition to nitrogen. It is also economical at the rates being used as well. 1/2 lb ammonium sulfate + the required amount of iron supplement in a gallon of water. I use 1/4 lb ammonium sulfate + 1/4 lb potassium nitrate because I believe in always supplying potassium when N is being applied.
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