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• and establishment of suitable vegetation covers. Mulch types include native hay, cereal straw, <br />hydromulch (wood fiber) and cover crops. <br />NO MULCH OPTION <br />Recent data on acid and semi-and native prairie rangeland restoration projects suggests that <br />mulching may not always be a desirable component in the reclamation process (ESCO <br />Associates, Inc., 2002). Mulch may contain noxious or other weedy species that are detrimental <br />to establishment of the desired plant species and vegetation communities (even when certified <br />weed-free). While mulch shades the ground and inhibits evaporation of soil moisture, it also <br />intercepts and absorbs precipitation, thus preventing some precipitation from entering the soil <br />profile. The drier the climate, the more important interception and absorption of precipitation by <br />mulch become. Additionally, recent test plot data suggests that use of mulch may inhibit <br />expression of seed mixture species diversity. <br />u <br />• Appendix G 10 06/28/02 <br />