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B. Mechanical Control Only — Many mechanical controls, when used on <br />their own, have little or no effect. Cutting trees at the base and <br />immediately applying herbicide to the cut stump is effective. Trees <br />smaller than 4 inches in diameter should be pulled out with a weed - <br />pulling tool when the ground is moist. <br />C. Chemical Control Only — In general, effective chemical control <br />requires multiple applications. Effective long-term control typically <br />involves a combination of treatments that include mechanical removal <br />of top growth followed by chemical treatment of stumps, sprouts, and <br />saplings. Herbicides containing 2,4-D + triclopyr, imazapyr, and <br />glyphosate effectively control Russian olive. <br />If they are deemed necessary, the Weld County Weed Control District will be <br />contacted for chemical suggestions. If herbicides are used, a schedule for <br />treatment and contact information on the licensed applicator to be used will be <br />kept on file by the operator. Cultural (revegetation) and mechanical controls will <br />begin as soon as practicable following site disturbances. <br />Conclusion <br />Weed management by cities and counties is becoming more common in Colorado <br />and through this type of management; undesirable plant species have been <br />reduced. Not unlike other parcels along the Front Range, this project has varying <br />landscapes and existing site conditions. With this in mind, this pian was <br />formulated and by implementing one or more of the above applications, weeds <br />can be managed and reduced in the Tucker Carr Pit permit area. <br />Contact Information <br />Kevin Anderson <br />Connell Resources, Inc. <br />7785 Highland Meadows Pky Ste. 100 <br />Fort Collins, CO 80528 <br />