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Old 12-19-2012, 10:57 PM
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RigglePLC RigglePLC is offline
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Join Date: Jul 2006
Location: Grand Rapids MI
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Myself, I think that a surfactant would not interfere with the action of a pre-emergent. It should increase the effectiveness of a post emergent like Trimec...especially for tough or hard to wet weeds.
Adding surfactant costs more, so be sure you are using the maximum rate of your herbicide, as that is usually more cost effective.
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