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2006-07-31_REVISION - M1978327 (2)
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2006-07-31_REVISION - M1978327 (2)
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Entry Properties
Last modified
6/16/2021 6:23:51 PM
Creation date
11/21/2007 9:33:20 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M1978327
IBM Index Class Name
Revision
Doc Date
7/31/2006
Doc Name
Weed Management Plan
From
Applegate Group Inc
To
DMG
Type & Sequence
TR5
Media Type
D
Archive
No
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9. Tamarisk <br />A. Mechanical and Cultural Control -Many mechanical controls, when used on their <br />own, have little or no effect. These methods include burning, shredding, roller <br />chopping, and chaining. Repeated root plowing with a horizontal blade at least 20 <br />inches below the soil surface coupled with revegetation, has proven effective. <br />However, this is expensive and not realistic for smaller infestations. <br />B. Mechanical and Chemical Control -Flooding is only effective if the plant is totally <br />submerged for at least 24 months. Cutting trees at the base and immediately applying <br />herbicide to the cut stump is effective. <br />C. Chemical Control Only - In general, effective chemical control requires multiple <br />applications. Timing and application rate are crucial for successful control. <br />Herbicides containing triclopyr, imazapyr, or imazapyr mixed with glyphosate <br />effectively control tamarisk. Triclopyr can be applied in May or August and imazapyr <br />can be applied in August or September. <br />10. Russian Olive <br />A. Mechanical and Chemical Control -Control is difficult once trees are mature. <br />Mature trees should be cut down to the ground level and an appropriate herbicide (i.e. <br />glyphosate or triclopyr) should be applied. Ideally, control should occur before <br />fruiting to prevent the spread of seeds. <br />B. Mechanical Control Only -Many mechanical controls, when used on their own, have <br />little or no effect. Cutting trees at the base and immediately applying herbicide to the <br />cut stump is effective. Trees smaller than 4 inches in diameter should be pulled out <br />with aweed-pulling tool when the ground is moist. <br />C. Chemical Control Only - hi general, effective chemical control requires multiple <br />applications. Effective long-term control typically involves a combination of <br />treatments that include mechanical removal of top growth followed by chemical <br />treatment of stumps, sprouts, and saplings. Herbicides containing 2,4-D + triclopyr, <br />imazapyr, and glyphosate effectively control Russian olive. <br />If they are deemed necessary, the Larimer County Weed Control District will be contacted for <br />chemical suggestions. If herbicides are used, a schedule for treatment and contact information on <br />the licensed applicator to be used will be kept on file by the operator. Cultural (revegetation) and <br />mechanical controls will begin as soon as practicable following site disturbances. <br />Conclusion <br />Weed management by cities and counties is becoming more common in Colorado and through <br />this type of management, undesirable plant species have been reduced. Not unlike other parcels <br />along the Front Range, this project has varying landscapes and existing site conditions. With this <br />in mind, this plan was formulated and by implementing one or more of the above applications, <br />weeds can be managed and reduced in the Kauffman Pit permit area. <br />Contact Information <br />Jake Kauffinan & Son, Inc. <br />Attn: Mary Kauffman <br />808 South County Road 9E <br />Loveland, CO 80537 <br />(970) 667-1557 <br />4 <br />
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