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u <br />Table 11. Summary of independent variables. <br />Variable <br />Description <br />• <br />Std. <br />Mean Deviation Low High <br />VEG (% area) Percent vegetation cover 26 28 0 90 <br />STONE (% area) Percent surface stone 7 9 0 40 <br />BARE (% area) Percent bare ground 66 27 5 99 <br />MULCN (degree rating) Degree of effective mulch cover 2.3 .98 0 4 <br />SLOPE (%) Percent slope ]8.6 4.3 2 40 <br />TOPSOIL (inches) Depth of topsoil 5.3 3.2 1 16 <br />WETTING (inches) Depth of wetting after infiltrometer run 4.4 2.5 1 ll <br />IICTOP (cm/min) Sat. hydraulic conductivity of topsoil .171 .303 .000 1.46 <br />HCSPOIL (cm/min) Sat. hydraulic conductivity of spoils ,062 .131 .000 .541 <br />BDTOP (g/cm3) Bulk density of topsoil 1.33 .140 1.03 1.63 <br />BDSPOIL ( /cm3) Bulk density of spoils 1.49 .150 1.23 1.83 <br />PERSCT (%) Percent silt plus clay of topsoil 64 9.8 38 88 <br />PERCOR (%~ Percent coarse ( >2 mm).fragments 23 14 .25 71 <br />MACRO (cm ) Macro-pores of topsoil 17.4 5.6 5.9 34.8 <br />MICRO (cm3) Micro-pores of topsoil 4.4 7.6 0.7 14.0 <br />rn <br />0 <br />