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Beaver WMA's Cheatgrass Control Project
Region: Southern
ID: 5751
Project Status: Completed
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Project Start Date
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Project End Date
Fiscal Year Completed
2022
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Final Methods
UDWR issued an aerial herbicide contract to Hammond Helicopter to complete the "Utah Cheatgrass Control" project. This included projects in Washington County, Beaver, and Fountain Green. The portion of that contract that was conmpleted under this proposal was in Beaver. We completed aerial treatment of a total of 770 acres. 732 acres were in the main block with test strips of 21.6 acres and 16.4 acres treated on additional Beaver WMA units further south with an eye toward informing future treatments on those units. The vast majority of the treatment was done using rejuvra, with a small corner of the 732 acre polygon also involving some experimental strips utilizing plateau and no treatment control units to be used as demonstration sites for comparison purposes over the next few years.
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Project Narrative
UDWR purchased and supplied the chemical for this project utilizing a combination of state heribcide contracts and donated rejuvra from Bayer Chemical Company wanting to promote its future use. Hammond helicopter completed the application utilizing a helicopter and on ground crew to mix chemical and fill tank. Rejuvra herbicide was applied at 5 oz/acre in 7 gallons of water per acre on both the Rejuvra polygons and the experimental Rejuvra strips. Plateau herbicide was applied at 6 oz/acre in 7 gallons of water/acre + 1 quart MSO surfactant per 100 gallons of spray mix on the experimental strips. Treatment took place on Aug 31 and Sept 1, 2021.
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Future Management
Early monitoring indicates very good control of cheatgrass on the site after year 1. Monitoring will continue and re-treatment will be considered if cheatgrass re-invades the property at a future time. Strips on the southern units will also be evaluated for response to determine if the entire units would benefit from and exhibit sufficient perennial vegetation to establish on the site. If deemed appropriate broad scale treatments will be planned for those units. Tours of the property will also be planned to share results of treatments with adjacent landowners to determine if there would be an interest to expand on the treatments. It is acknowledged that BLM currently is not authorized for Rejuvra use but this project could help with encouragement to get to where they can.
Submitted By
Gary Bezzant
Submitted Time
08/29/2022 11:07:23
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