Volume 23, Issue 1 (Spring 2019)                   jwss 2019, 23(1): 293-307 | Back to browse issues page

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Hematifard A, Naderi M, Karimi A, Mohammadi J. Assessment Quantitative of Soil Quality in Different Uses of Shahrekord Plain Using the Analytical Hierarchical Process (AHP). jwss 2019; 23 (1) :293-307
URL: http://jstnar.iut.ac.ir/article-1-3627-en.html
1. Department of Soil Science and Engineering, Agriculture Faculty, Shahrekord University, Shahrekord, Iran. , Ali.hemati999@gmail.com
Abstract:   (5563 Views)
Assessment of soil quality helps to make a balance between soil function and soil resources, improving soil quality and achieving the sustainable agriculture. For the quantitative evaluation of soil quality in the Shahrekord plain, Chaharmahal va Bakhtiari province, 106 compound surficial soil samples (0-25 cm) were collected. After the pre-treatments of soil samples, 11 physico-chemical soil characteristics/indicators as the total data set (TDS) were measured using the standard methods. Statistical analysis showed the usefulness of Principle Component Analysis (PCA) transformation. The minimum data set (MDS) was selected using PCA. Analytical Hierarchy Process (AHP) was carried out for the quantitative determination of indicator priorities and weights. Soil quality of the samples was calculated by introducing TDS and MDS into Integrate Quality Index (IQI) and Nemero Quality Index (NQI). The results showed the soil quality of the land uses was as Rangelands> Drylands<Irrigated croplands. The correlation coefficient between IQI-TDS and IQI-MDS was 0.97, while this value for NQI-TDS and NQI-MDS was 0.98. The correlation coefficient between IQI-TDS and NQI-TDS was 0.87 and that between IQI-MDS and NQI-MDS was 0.91. Classification of the resulted soil quality map IQI-TDS revealed that 12.5 % and 15.5 % of the plain were in very high and low quality conditions, respectively.
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Type of Study: Research | Subject: Ggeneral
Received: 2017/12/21 | Accepted: 2018/05/19 | Published: 2019/06/15

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