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.~ ,,: <br />A seeding recommendation can be obtained from the Natural Resources Conservation Service, <br />970-641-0494. <br />Heavy equipment utilized in the pit will be cleaned to remove noxious weed seeds and noxious <br />weed plants (parts) that are on the equipment as a result of working on site or other sites with <br />noxious weeds. <br />Haul trucks will be kept clean to prevent the spread of noxious weeds from one site to another. <br />B. Physical Control <br />Physical control intentionally disrupts the growth of weeds through cultivation, mowing, <br />hand pulling, flooding, and burning. This method of control is best suited for annuals and <br />biennials. <br />Canada thistle, hoary cress, leafy spurge, oxeye daisy, and yellow toadflax are <br />perennials with extensive root systems and are not successfully controlled by digging <br />or cutting. Scentless chamomile is an annual or short lived biennial and can be <br />controlled by digging. However, the chamomile is so extensive that digging would <br />not be an efficient form of control. <br />C. Cultural Control <br />Cultural control involves methods favoring desirable plant growth such as proper grazing, <br />fertilization, irrigation, and seeding vigorously growing, competitive desirable plant <br />species. <br />o Areas that have been successfully treated and bare soil is exposed will be revegetated <br />to prevent soil erosion and more weed infestations. <br />D. Herbicide Control <br />Herbicide control involves the application of EPA-registered herbicides that are effective <br />on target noxious weed species based on the best available scientific facts and current <br />technology to reduce weed infestations. This method is a tool for perennials but is also <br />used on annuals and biennials. The root must be killed to control and/or eradicate <br />perennials. <br />While herbicides are a powerful tool, it must be realized that they are just that; and <br />should be used as part of an Integrated Plant Management Program. <br />All herbicides will be applied according to product label. The label is the law. <br />