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~-.r <br />TABLE 2 <br />MANHOURS NECESSARY FOR APPLICATION <br />AND COST OF THE VARIOUS MULCH PRWUCTS <br />Product <br />Excelsior <br />Hold-gro <br />Jacklin Organic Mulch <br />Jute <br />Straw with Cm wed <br />Manhours for <br />1 acre Cost <br />53 $2,420 <br />100 $2,364 <br />22 $ 365 <br />53 $2,565 <br />48 $ 891 <br />Photographs 43 and 44 show the application of Hold~ro and <br />straw with Cm wed netting, respectively. <br />Management <br />The mulch study is within the fenced area and grazing is <br />restricted. <br />Results <br />The results of the Northern O1 Mine are similar to those <br />obtained at Rienau ~2. The Jacklin Organic Mulch and the Hold-gro <br />had little effect m inhibiting erosion and as of June 1981 it did <br />not appear as though these products were aiding in establishing <br />the stand of grasses either. The other three products all did a <br />good job at inhibiting erosion and as of June the straw and Cm wed <br />netting had the best stand of grass seedlings. Table 3 rates the <br />mulches with respect to their ability to stabilize the soil and <br />enhance establishment of a plant cover. The number 1 is the best <br />product and 5 the worst. <br />TABLE 3 <br />RATINGS FOR THE FIVE MULCH PRODUCTS TESTED <br />AT THE NORTHERN ~1 MINE <br />(Ratings are from 1 to 5 with 1 being the best product) <br />Plant Establishment <br />Mulch Material Erosion RatinO Rating <br />Excelsior 3 2 <br />Hold~ro 4 4 <br />Jacklin Organic Mulch 5 5 <br />Jute 1 3 <br />Straw with Cm wed 2 1 <br />