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Soil weed comtamination

Discussion in 'Pesticide & Herbicide Application' started by RigglePLC, Sep 16, 2013.

  1. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,207

    What types of weeds have you found in purchased topsoil? In mulch?
    Nutsedge? Bermuda? Quack grass? Canada thistle?

    How can you avoid weed contamination?
  2. Runner

    Runner LawnSite Fanatic
    Posts: 13,496

    Unfortunately, all topsoil (unless bagged) is full of millions of weed seeds. To answer the question, about everything. About all I do, is depend on quinclorac. It takes periodic aps, but is necessary. Of course now, at this time of year, it's not so bad. The grass will grow and harden off, so the results in this short seeding time will be the same as those we meticulously labored over all summer long for new growth (yeah, I put a lawn in in June lol).
  3. Colonel Forbin

    Colonel Forbin LawnSite Member
    Posts: 92

    I went through 15 yards at my house and it seems Nutsedge and Canada thistle are my worst culprits. I may pick up some Drive this weekend
  4. Smallaxe

    Smallaxe LawnSite Fanatic
    Posts: 10,081

    I guess I should be pleased with my construction yard... no real weed problems in their top soil and no problems in their compost... :)

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