On the basis of analyzing factor ( soil particle composition , soil bulk density , water stable aggregate content , antecedent soil moisture , slope gradient , rain intensity , accumulation depth and soil crust , soil and water conservation tillage measures ) affecting soil infiltration rates , several relation models was obtained ; analyzed in detail different soil and water conservation tillage measures intensifying infiltration rates , while there have the same rainfall condition , the increasing infiltration rates of contour tillage and artificial digging and artificial hoeing in gully areas of loess plateau are 67 % and 41 % and 29 % ; the increasing infiltration rates in hilly areas of loess plateau is 45 % and 22 % and 14 %
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