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Old 06-18-2013, 11:20 AM
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RigglePLC RigglePLC is online now
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Join Date: Jul 2006
Location: Grand Rapids MI
Posts: 10,983
Blight? Exactly what kind of disease does it have? What kind of grass?
Are we talking brown patch on tall fescue?
I am sure you already know this but take a look at university information...

Fungicide is best, but...
I doubt that it would help much--but potassium is available as muriate of potash 0-0-62, at any farm elevator. Apply as dry, but it has a high burn potential. Or apply as liquid dissolved in water; don't burn the grass; no more than 50 pounds in 200 gallons of water.

Or perhaps a high potash formula like Everris Osmocote Bloom 12-7-18--premium type--and price.

In the long haul, an over seed with a higher quality more disease-resistant grass is probably the best bet.
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