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We have shown that control of competing vegetation is important in survival and growth of aspen. <br />The landscape fabric was particularly important in the sites with the most competing vegetation. The first <br />year results of this experiment confirm the hypothesis that landscape fabric will increase growth and <br />survival of aspen, particularly where amounts of competing vegetation are high. The ability of the plants <br />to successfully re-establish will require lateral root growth necessary for sprouting. This could not be <br />determined after one year of growth. The irrigation and landscape fabric treatments had no significant <br />effect on serviceberry, likely a result of the small initial size of the serviceberry plants. We expect a <br />response of serviceberry is more likely to appear in the second and third years after treatment. <br />Acknowledeements <br />The authors acknowledge the advice and assistance of Dan Mathews and Sandy Brown of the <br />Colorado Division of Reclamation, Mining and Safety, Roy Karo and Vern Pfannenstiel of Seneca Coal <br />Company and Peabody Energy, and John Frank and John Korfmacher of the U.S. Forest Service Rocky <br />Mountain Research Station, and the assistance of numerous students from the Colorado State University <br />Department of Forest, Rangeland, and Watershed Stewardship. The study was funded by the US DOI <br />Office of Surface Mining National Technology Transfer Team, Peabody Energy, US Forest Service, and <br />Colorado State University. <br />Literature Cited <br />Agnew, W. 1992. Woody plant establishment on reclaimed lands at Trapper Mine in Northwest Colorado. <br />Paper presented at the 1992 National Meeting of the American Society for Surface Mining and <br />Reclamation, Duluth, Minnesota, June 17, 1992. <br />Baker, F.S. 1925. Aspen in the central Rocky Mountain region. Bulletin 1291. Washington, D.C., U.S. <br />Department of Agriculture. 47 p. <br />Bauder, T.A.; Waskom, R.M.; Davis, J.G. 2006. Irrigation water quality criteria. CSU Cooperative <br />Extension, No. 0.506. <br />Baylock, A.D. 1994. Soil salinity, salt tolerance, and growth potential of horticultural and landscape <br />plants. Cooperative Extension Service, University of Wyoming. B-988. <br />Cryer, D.H.; Murray, J.E. 1992. Aspen regeneration and soils. Rangelands 14(4): 223-226. <br />DeByle, N.V. 1964. Detection of functional intraclonal aspen root connections by tracers and excavation. <br />Forest Science 10(4): 3 86-96. <br />DeByle, Norbert V. and Winokur, Robert P., eds. 1985. Aspen: ecology and management in the western