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Short-term objectives for diffuse knapweed and kochia are treatment of all existing plants and <br />new growth. Long -term objectives for diffuse knapweed and kochia are treatment of all new <br />growth. <br />5.1 PREVENTION <br />Noxious, non - native, and undesirable plants quickly spread and take root in disturbed areas, <br />often before native grasses in the seed mix can take hold after revegetation efforts. To prevent <br />the spread of undesirable plants and weeds: <br />• all construction equipment will be thoroughly washed prior to mobilizing to the Site, <br />and <br />• only certified weed -free seed mixes and certified weed -free mulches will be used. <br />5.2 SPECIES PRIORITIZATION <br />The highest priority will be given to salt cedar and kochia due to the aerial extent of their <br />infestation on the property and the high seed production rate. Medium priority will be given to <br />musk thistle and diffuse knapweed since these are not as prevalent on the property. <br />5.3 INFESTATION PRIORITIZATION <br />Due to the relatively small acreage of the Site, all current weed patches are given highest <br />priority. The Site will be managed as a whole, with weed management activities for all species <br />occurring throughout the entire Site. <br />6.1 CONTROL MECHANISMS <br />6.1.1 Chemical <br />5.0 WEED MANAGEMENT PRIORITIES <br />6.0 WEED MANAGEMENT ACTIONS <br />Chemical control of weeds includes the use of chemicals in the form of herbicides to injure <br />and /or kill the weed. Herbicides have one or more active ingredient and are sold under a variety <br />of brand names. Herbicides can be applied at various times during the growing season and to <br />various parts of the plant to achieve different effects. Table 1 includes a list of herbicides, <br />susceptible plants, brand name examples, application rates, application timing, application <br />location on the plant, and comments about the herbicide. These treatment options may be <br />selected and implemented depending on site conditions, time of year, cost efficiency, and other <br />considerations. <br />Weed Management Plan 4 <br />Arar="7 <br />