Effect of Polyacrylamide Application on Soil Erosion in Conventional and Alternate Furrow Irrigation

Document Type : Original Article

Authors

1 Assistant Professor, Department of Water Engineering, College of Agriculture, Bu-Ali Sina University., Hamedan., Iran

2 Former M.Sc. in Irrigation and Drainage, Department of Water Engineering, College of Agriculture, Bu-Ali Sina University., Hamedan., Iran

3 Assistant Professor, Department of Water Engineering, College of Agriculture, Vali-e-Asr University of Rafsanjan., Rafsanjan., Iran

Abstract

The objective of this study was to investigate polyacrylamide (PAM) application and alternate furrow irrigation system on soil erosion. The study was conducted in Dastjerd Research Farm, Bu-Ali Sina University, Hamadan, Iran. The experiment was designed as factorial, based on completely randomized design with three replications. Treatments were conventional furrow irrigation without PAM application (FSP0), conventional furrow irrigation with PAM application (FSP1.5), alternate furrow irrigation without PAM application (FAP0), and alternate furrow irrigation with PAM application (FAP1.5). The results showed that there is significant difference (p-value <0.01) in soil losses in alternate furrow irrigation treatment and PAM application (FA P1.5). The FA P1.5 treatment, in comparison with FSP0, lead to reduction of soil losses by 98, 98 and 99 percent in the first, second and third irrigations, respectively. Also, the shape of cross section of furrows didn’t have too much change in treatments with PAM application rather than without PAM application treatment. In general, PAM application could cause stability in soil and cross sections of furrows.     

Keywords

References

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Iranian Journal of Irrigation & Drainage
Volume 9, Issue 1 - Serial Number 49
March and April 2015
Pages 152-162

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