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' Nelson Mining Resource <br /> Integrated Noxious Weed Management Plan <br /> August 2019 <br /> Page 15 <br /> rubber gloves, long-sleeved shirts, long pants, high-top shoes, and socks are common sense <br />' precautions which all applicators should take. An additional precaution includes the use a <br /> respirator to protect sensitive mucus membranes in nose and throat. Follow proper clean-up and <br />' disposal procedures for the equipment and containers. All directions for use are dictated on the <br /> herbicide's label. <br /> Care must be taken to avoid spraying herbicides near water unless they are specifically labeled for <br /> aquatic use. An aquatic-approved herbicide is required when applications will be made over water <br /> or encounter surface water. An aquatic-safe herbicide is a great quality to have in an herbicide <br />' when applying near any kind of stream or river(riparian areas) or drainages. <br /> Broadleaf selective herbicides (such as 2,4-D) can either be applied by spot spraying individual <br />' plants or by a continuous spray over an entire area. A non-selective herbicide(such as glyphosate) <br /> should only be used if spot spraying. Avoid using soil-active herbicides (such as dicamba) near <br /> windbreak plants or other desirable woody vegetation. Plant injury or death can occur. Also, do <br /> not allow any herbicide to drift onto desirable vegetation for the same reasons. From time to time, <br /> if possible, alternate the herbicide(active ingredient) applied to the noxious weed infestation. This <br /> ' will help to prevent the weeds from developing chemical resistance. <br /> For the first few years, spray twice per year: once in the spring and once in the fall. When you <br /> ' have achieved a more acceptable level of control,you can change to spraying only once in the fall. <br /> If it becomes economically unfeasible for you to spray twice a year, you may choose to only spray <br /> in the fall. From time to time, if possible, alternate the herbicide (active ingredient) you use. This <br /> will help to prevent the weeds from developing chemical resistance. <br /> ' When using a foliar spray, be sure to get good spray coverage of the plants. All the leaves should <br /> have herbicide contact. The sprayed plants should be obviously wet, but not dripping with <br /> herbicide. If a surfactant is indicated the herbicide label, it should be mixed as directed with the <br /> ' herbicide. Surfactants help herbicides do their job by reducing the surface tension of liquids <br /> between two liquids or a solid leaf. You may also choose to use an herbicide tracer dye so that you <br /> can easily see the areas you have treated. Calibrate the sprayer to the recommended application <br /> rate and keep records of the work performed. <br /> ' 5.3.1 SPRAY DRIFT MANAGEMENT <br /> Avoiding spray drift at the application site is the responsibility of the applicator. The interaction <br /> ' of many equipment and weather-related factors determine the potential for spray drift. The <br /> applicator and grower are responsible for considering all these factors when making decisions.The <br /> following drift management requirements must be followed to avoid off-target drift movement <br /> ' from aerial applications to agricultural field crops. These requirements do not apply to forestry <br /> applications,public health uses, or to applications using dry formulations. <br />