Impact of sewage sludge on water movement in calcareous sandy soils

الملخص EN

Tndertaken to inYes 100 soil depth at rates of'O, 25, 75, and ٢١] 10 water movement under ponded irrigation.

Sewage sludge was applied to Mg«ha‘’ to two disturbed soils differing in CaCO^ content.

The results showed that cumulative infiltration (I) decreased with of moderately ؛an increase in sewage sludge rates.

Basic infiltration for slightly calcareous sandy soil was higher than ،ha calcareous sandy soil.

Moratory measurements showed an exponential decrease in saturated hydraulic conductivity and ((©)ه) vity؛us؛؛؛both soils, water ،l ٠٢? .an increase in available water capacity with an increase in sewage sludge rates values of slightly calcareous sandy soils were higher than ((©)٥) increase in sewage sludge rates.

The س decreased with ,