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100 percent 2Figures in parentheses 31 days following 41/2-month growing period arcillite tended Atriplex bonnevillensis Bonneville saltbush seedling caused by damping-off combination of moss concentration and electrical container capacity container cavity days following seeding decreased emergent seedlings extract Initial Final greenhouse bench growing Bonneville horticultural grade Idaho Intermountain Station mean plant weights media amended media composed media contained arcillite media produced Mix number Composition1 mixture composition mmhos/cm Montana in cooperation mortality from damping-off moss peat SMP Nevada number Composition1 SMP/V/P/A ovendry weight percent by volume percent topsoil perlite planting stock potting media evaluated potting medium produced by media Provo retention capacity saturation extract Initial seedling emergence Seedlings were grown semiarid areas Shrub soil alone Mix soil or sand soil-amended media soilless media sphagnum moss peat study period surface-mined table top 10 mean tray Utah in cooperation vermiculite volume of soil water retention weights were produced Wyandotte