Effect of Flood Spreading on Physical Soil Properties

Using of flood for identification of plant nessassary water for its growthing and ecreasing of flood damages is possible in many different methods. By using of water preading system، seasonal flood in susceptible land will be spreaded and، will have ifferent effects on ground water tables، plant cover and soil on these lands. In order to easurement of physical soil properties variations in Delijan water spreading stations of arkazi province، seven channel water distributions (distribution area) and regions etween those (wetness area) were selected and then each channel and wetness area fter that were devided to three parts and at center of each parts one compined sample as obtained in two depths of soil (0-25 and 25-50 cm). Also، measuremant of soil nfiltration rate in distribution and wetness area was obtained by double ring method. oil physical properties in two these area and different channel was compared using student nd ANOVA method respectively. The results showed that the water Spreading ctivities has been significant decreasing about sand and infiltration rates at %1 level nd about bulk density at %5 level. Also، about the amounts of clay، silt and Sp there ave been significant increasing at %1 level.