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Effects of nitrogen availability and cheatgrass competition on the establishment of Vavilov Siberian wheatgrassAuthor(s): Monica B. Mazzola; Kimberly G. Allcock; Jeanne C. Chambers; Robert R. Blank; Eugene W. Schupp; Paul S. Doescher; Robert S. Nowak
Source: Rangeland Ecology and Management. 61(5): 475-484.
Publication Series: Scientific Journal (JRNL)
Station: Rocky Mountain Research Station
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DescriptionCheatgrass (Bromus tectorum L.) is the most widespread invasive weed in sagebrush ecosystems of North America. Restoration of perennial vegetation is difficult and land managers have often used introduced bunchgrasses to restore degraded sagebrush communities. Our objective was to evaluate the potential of 'Vavilov' Siberian wheatgrass (Agropyron fragile [Roth] P. Candargy) to establish on cheatgrass-dominated sites. We examined Vavilov establishment in response to different levels of soil nitrogen availability by adding sucrose to the soil to promote nitrogen (N) immobilization and examined cheatgrass competition by seeding different levels of cheatgrass.
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CitationMazzola, Monica B.; Allcock, Kimberly G.; Chambers, Jeanne C.; Blank, Robert R.; Schupp, Eugene W.; Doescher, Paul S.; Nowak, Robert S. 2008. Effects of nitrogen availability and cheatgrass competition on the establishment of Vavilov Siberian wheatgrass. Rangeland Ecology and Management. 61(5): 475-484.
KeywordsBromus tectorum, invasion, nitrate, rangeland restoration, sagebrush steppe, sucrose addition
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