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Paper Information

Journal:   JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)   JANUARY-FEBRUARY 2017 , Volume 30 , Number 6 ; Page(s) 2078 To 2086.
 
Paper: 

EVALUATION OF SOIL ERODIBILITY FACTOR (K) FOR LOESS DERIVED LANDFORMS OF KECHIK WATERSHED IN GOLESTAN PROVINCE

 
 
Author(s):  KHORMAI H., KIANI F.*, KHORMALI F.
 
* GORGAN UNIVERSITY OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, DEPARTMENT OF SOIL SCIENCE, GOLESTAN, IRAN
 
Abstract: 

Introduction: Globally, Soil erosion is a principal degradation process resulting in negative impacts on different soil functions (food and other biomass production, water storing, filtering and transformation, habitat and gene pool, physical and cultural environment for mankind, and source of raw materials) which ultimately causes irreversible effect on the poorly renewable soil resource. Determination of the soil erodibility factor (K-factor) is a cumbersome and expensive undertaking in the effort to predict the soil loss rates. Soil erodibility (K-value) is a key parameter in erosion prediction and is important for conservation planning in the face of a rising need for protecting the limited land resources. The technique proposed by Wischmeier& Smith for estimating the soil erodibility factor is among the most important methods in this regard.
Materials and Methods: Given the high amounts of silt and lime content in loess soils of eastern parts of Golestan province, the purpose of this study was to evaluate the ability of Wischmeier & Smith index to estimate the soil erodibility of this region. In this study, soil erodibility was obtained by Wischmeier's nomograph and then was compared with the actual values obtained by selecting three plots and then performing physical and chemical tests on these samples.

 
Keyword(s): EROSION, FOURNIER INDEX, USLE MODEL, WISCHMEIER & SMITH NOMOGRAPH
 
 
References: 
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APA: Copy

KHORMAI, H., & KIANI, F., & KHORMALI, F. (2017). EVALUATION OF SOIL ERODIBILITY FACTOR (K) FOR LOESS DERIVED LANDFORMS OF KECHIK WATERSHED IN GOLESTAN PROVINCE. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 30(6 ), 2078-2086. https://www.sid.ir/en/journal/ViewPaper.aspx?id=572362



Vancouver: Copy

KHORMAI H., KIANI F., KHORMALI F.. EVALUATION OF SOIL ERODIBILITY FACTOR (K) FOR LOESS DERIVED LANDFORMS OF KECHIK WATERSHED IN GOLESTAN PROVINCE. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY). 2017 [cited 2021August04];30(6 ):2078-2086. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572362



IEEE: Copy

KHORMAI, H., KIANI, F., KHORMALI, F., 2017. EVALUATION OF SOIL ERODIBILITY FACTOR (K) FOR LOESS DERIVED LANDFORMS OF KECHIK WATERSHED IN GOLESTAN PROVINCE. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), [online] 30(6 ), pp.2078-2086. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572362.



 
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