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fl <br />i e <br />e in bulk densit <br />ma <br />th <br />i <br />t ne <br />ate the p <br />itive <br /> ow <br />ng y <br />y <br />e <br />ncr <br />as <br />wa <br />er, g <br />os <br /> effects related to an increase in the relative infiltration time. <br />Blackburn (1984) mentioned several articles which Drovided <br />support for positive effects of grazing on infiltration <br />characteristics (e.g. Rauzi and Smith 1973, McGinty et al. 19T9). <br />These studies stated that moderate grazing was superior to light <br />grazing and that systems which were not grazed showed negative <br />effects on infiltration and sediment yield. Although these studies <br />are not consistent with current research, they do provide some <br />evidence supporting a positive influence of grazing on hydrologic <br />parameters. <br /> <br />• <br />