year 4, Issue 4 (2015 winter 2015)                   E.E.R. 2015, 4(4): 13-26 | Back to browse issues page

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aghaei afshar M, beheshti rad M. Investigating the effect of flood spreading on some physical and chemical soil properties . E.E.R. . 2015; 4 (4) :13-26
Abstract:   (3573 Views)

Flood spreading is among preventing method from damage of deluge, especially perishing of water and soil in latrine basins of arid and semiarid regions. Accumulation of sediments on the flood spreads regions lead to changes in soil fertility, revival and support of plant covering and controlling of desertification and change in physicochemical properties of soil in these regions. In order to measure of soil changes in the station of flood spreading Hashtbandi, Minab, Hormozgan, were dipped 12 cavities in two regions: flooded and control. Sampling was done from 0-30 cm and 30-60 cm depth. Physicochemical properties were evaluated in the samples. The obtained results indicated that the average of organic carbon, total nitrogen, amount of potassium and phosphorous, EC as well as sand percent significantly increased in the flood spreading region than control region and clay percent, pH and saturating percent (SP) decreased in the flood spearing region than control region. Beside, silt amount non-significantly decreased in the flood spreading region than control region. Generally, can be said flood spreading system changes the soil texture during the time and has positive effect on soil fertility. Increasing amount of macro elements such as N, P and k as well as reduction of pH are positive effects for enhancing soil fertility, although increasing EC may be limited planting of some sensitive crops.

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Type of Study: Research |
Received: 2015/01/13 | Published: 2015/10/15

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