Correlation and Evaluation of Applicability of Soil Classification Data According to World References Base for Soil Resources (WRB): The Comparative Study of Farah Province, Afghanistan

International Journal of Agriculture & Environmental Science
© 2019 by SSRG - IJAES Journal
Volume 6 Issue 3
Year of Publication : 2019
Authors : Abdul AlimMohammadi, Abdul Hasib Halimi , Rahmatullah Atefi
How to Cite?

Abdul AlimMohammadi, Abdul Hasib Halimi , Rahmatullah Atefi, "Correlation and Evaluation of Applicability of Soil Classification Data According to World References Base for Soil Resources (WRB): The Comparative Study of Farah Province, Afghanistan," SSRG International Journal of Agriculture & Environmental Science, vol. 6,  no. 3, pp. The Comparative Study of Farah Province, Afghanistan" SSRG International Journal of Agriculture & Environmental Science 63 (201976-81, 2019. Crossref,


In 2009 a USDA surveyor and expert team provided the technical expertise for, collecting, securing, shipping describing, and classifying soil samples to the National Laboratory of USDA, Lincoln Nebraska. 8 soil pedons have been sampled from Farah provinces. The US scientists addressed the soil fertility issue by investigating soil samples taken from the top three horizons (depth averaging 50 to 80 cm). Accordingly, soil samples were collected for laboratory analysis and classified according to US Soil Taxonomy. This study has been conducted on the classification of Farah soils according to WRB soil classification system. The aim of the study was to provide correlation possibilities of the available Afghan soil data with the international soil classification system of the World Reference Base for Soil Resources (WRB), based on simplified correlation rules, the classification has been done based on available and details of soil survey data of the USDA NRCS Taxonomy.The achieved results are 6 soil types, which five profiles (Calcisols) and three profiles (Solonetz) in Farah Province Afghanistan. In the correlation both systems have some similarities, in giving information on texture properties, calcium carbonate contents, saturation with ground/ surface water, and some few more aspects of soil characteristics.


Soil classification, soil properties, Soil Taxonomy, Diagnostic Horizon, WRB, Qualifier.


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