Reclamation of saline-sodic soil with clay texture using dissolved organic carbon

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Hassantabar Shobi s.; SADEGH ZADEH F.; BAHMANYAR M.A.; JALILI B.

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Journal: Journal of Soil Management and Sustainable Production Year:2018 | Volume:8 | Issue:1 Page(s): 159-174

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Title

Reclamation of saline-sodic soil with clay texture using dissolved organic carbon

Author(s)

Hassantabar Shobi s. | SADEGH ZADEH F. | BAHMANYAR M.A. | JALILI B. | Issue Writer Certificate

Keywords

Dissolved organic carbonQ1

Saline-sodic soilQ1

LeachingQ1

Sodium adsorption ratioQ1

Electerical conductivityQ2

Abstract

Background and Objectives: Amelioration of Saline-sodic soils using organic matter has been widely reported as a cheap and suitable technique. The reported studies showed that the incorporation of organic matter with Saline-sodic soils increased the growth of salt tolerant plants by increasing soil nutrient content and the abundance of soil organisms. However, no study has been done on the effect of dissolve organic carbon (DOC) on reclamation of Saline-sodic soil. Therefore, the purpose of this study was to investigate the role of DOC on amelioration of Saline-sodic soil with clay texture. Materials and Methods: In this research, the ameliorative potential of DOC on some chemical properties, including the concentration of soluble cations and anions of Saline-sodic soil with clay texture was studied in the Karfoon area (Mazandaran province). The DOC was extracted from sugarcane, poultry manure and cow manure by distilled water. Each DOC was applied at three concentrations (0, 100 and 200 mg/L) to the soil. The experiments were carried out in two stages including incubation and Leaching. After each experiment the concentrations of Na+, K+, Ca2+, Mg2+ and Cl-were determined. Results: The results indicate that in the incubation experiment, application of DOC increased the concentration of soluble elements and electrical conductivity compared to the control, but decreased the pH. In the Leaching experiment, the highest concentration of elements in the leachate was related to the soils which treated with higher concentrations of DOC (200 mg/L). The results from analysis of soil of columns after Leaching experiment showed that in all soils treated with DOC, electrical conductivity and Sodium adsorption ratio decreased compared to control, the highest reduction was observed in soils treated with 200 mg/L DOC extracted from sugarcane. Conclusion: Although the DOC increased the concentration of Na+, K+, Ca2+, Mg2+ and Cl-in the incubation experiment, the Leaching of salts in the presence of DOC were enhanced. Hence, after the Leaching experiment DOC derived from sugarcane at higher concentration remediated the Saline-sodic soil. Therefore, this treatment can be recommended for remediation of Saline-sodic soil in the studied region.

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APA: Copy

Hassantabar Shobi, s., SADEGH ZADEH, F., BAHMANYAR, M.A., & JALILI, B.. (2018). Reclamation of saline-sodic soil with clay texture using dissolved organic carbon. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 8(1 ), 159-174. SID. https://sid.ir/paper/209891/en

Vancouver: Copy

Hassantabar Shobi s., SADEGH ZADEH F., BAHMANYAR M.A., JALILI B.. Reclamation of saline-sodic soil with clay texture using dissolved organic carbon. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2018;8(1 ):159-174. Available from: https://sid.ir/paper/209891/en

IEEE: Copy

s. Hassantabar Shobi, F. SADEGH ZADEH, M.A. BAHMANYAR, and B. JALILI, “Reclamation of saline-sodic soil with clay texture using dissolved organic carbon,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 8, no. 1 , pp. 159–174, 2018, [Online]. Available: https://sid.ir/paper/209891/en

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