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How long does putting snapshot UNDER mulch extend the watering window?

Discussion in 'Pesticide & Herbicide Application' started by shearbolt, Mar 19, 2010.

  1. shearbolt

    shearbolt LawnSite Member
    Messages: 171

    We use snapshot undermulch and I always am stressed out about the 1/2 inch irrigation window that the label demands. I think it says 3 days but obviously that is when it degrades under the sun.
  2. grassman177

    grassman177 LawnSite Fanatic
    Messages: 9,795

    i cant say how much, but i bet it does help as the mulch is usually wet and may even activate it with mulch alone.
  3. Think Green

    Think Green LawnSite Silver Member
    Messages: 2,746

    We use Preen ultra under the mulches also. I believe the label requires it! Common Sense wise, it is better to do this as these products work through the soil rather than organic matter. More organic matter in the soil will require more product. It may take more water to get the product to bond with the soil for adequate control.

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