STUDIES ON APPROPRIATE AND AN EMPIRICAL MODEL FOR SALT LEACHING OF SALINE-SODIC SOILS OF CENTRAL PART OF KHUZESTAN PROVINCE

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RAJABZADEH F.; PAZIRA E.; MAHDIAN M.H.

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Journal: Journal of Water and Soil Conservation Year:2011 | Volume:18 | Issue:3 Page(s): 61-83

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Title

STUDIES ON APPROPRIATE AND AN EMPIRICAL MODEL FOR SALT LEACHING OF SALINE-SODIC SOILS OF CENTRAL PART OF KHUZESTAN PROVINCE

Author(s)

RAJABZADEH F. | PAZIRA E. | MAHDIAN M.H. | Issue Writer Certificate

Keywords

DESALINIZATIONQ2

DESODIFICATIONQ2

KHUZESTAN PROVINCEQ2

SALT LEACHINGQ2

SALINE- SODIC SOILSQ2

Abstract

To determine the appropriate depth of leaching water requirement for Saline- Sodic soil reclamation, some field experiments are recommended. Having the results of such field experiments, the so-called leaching curves will be obtained. These empirical curves will enhance determining the amount of leaching water to reduce the soil salinity and sodicity to desirable levels. The objectives of this study were to conduct such experiments in order to obtain soil DESALINIZATION & DESODIFICATION curves and to compare the obtained results with some empirical models. Furthermore, it was supposed to determine a new empirical model for the saline-sodic soils in central part of KHUZESTAN PROVINCE. In this study, the field experimental results of a heavy texture, Saline-Sodic soils, which was carried out by cylinder infilterometer are presented .In this regards three different sites were selected in the most saline-sodic parts of the study area for which 1.0 meter depth of leaching water were applied intermittently. The field SALT LEACHING data and calculated valves were used to verify a newly proposed empirical model obtained by curve estimation technique. The results indicated that the empirical relationships proposed by Revee, Dielman and Verma and Gupta can not resemble to the field conditions. However, the empirical relationships introduced by Laffelar and Sharma, Hoffman, Pazira and Kawachi and Pazira and Keshavarez could estimate the depth of required reclamation water 1.5 times more than the newly proposed empirical model. The theoretically calculated values with the proposed exponential model, could well simulate the real experimental data.

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APA: Copy

RAJABZADEH, F., PAZIRA, E., & MAHDIAN, M.H.. (2011). STUDIES ON APPROPRIATE AND AN EMPIRICAL MODEL FOR SALT LEACHING OF SALINE-SODIC SOILS OF CENTRAL PART OF KHUZESTAN PROVINCE. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 18(3), 61-83. SID. https://sid.ir/paper/156397/en

Vancouver: Copy

RAJABZADEH F., PAZIRA E., MAHDIAN M.H.. STUDIES ON APPROPRIATE AND AN EMPIRICAL MODEL FOR SALT LEACHING OF SALINE-SODIC SOILS OF CENTRAL PART OF KHUZESTAN PROVINCE. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2011;18(3):61-83. Available from: https://sid.ir/paper/156397/en

IEEE: Copy

F. RAJABZADEH, E. PAZIRA, and M.H. MAHDIAN, “STUDIES ON APPROPRIATE AND AN EMPIRICAL MODEL FOR SALT LEACHING OF SALINE-SODIC SOILS OF CENTRAL PART OF KHUZESTAN PROVINCE,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 18, no. 3, pp. 61–83, 2011, [Online]. Available: https://sid.ir/paper/156397/en

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