Volume 10, Issue 4 (winter 2007)                   2007, 10(4): 91-106 | Back to browse issues page

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A. Jalalian, J. Givi, M. Bazgir, Sh. Ayoubi. Qualitative, Quantitative and Economic Evaluation of Land Suitability for Barley, Wheat and Chickpea in Rainfed Area of Talandasht District (Kermanshah Province) . Journal of Crop Production and Processing 2007; 10 (4) :91-106
URL: http://jcpp.iut.ac.ir/article-1-608-en.html
Abstract:   (32045 Views)
In Iran, the development of cultivated areas becomes gradually impossible due to ever-increasing population growth and urban area development. Therefore, it is very important to use the existing cultivated lands more efficiently. Land suitability evaluation makes the sustainable use of the lands feasible. The objective of this study was qualitative, quantitative and economic assessment of land suitability in Talandahst area for rainfed wheat, barley and chickpea. Talandasht plain with a surface area of 4500 ha is located southwest of Kermanshah city. The climate is semi-arid with cold winter and moderate summer. The successive stages of this research included soil survey in the field, soil analysis, qualitative and quantitative and economic evaluations of land suitability. In qualitative evaluation of land, climatic, topographic and soil suitability classes were determined according to the degree of the matching. Limitation and parametric methods were used in qualitative evaluation. Quantitative and economic evaluations made based on the observed yield and gross benefit, respectively. Based on qualitative evaluation, the studied area is marginally suitable for rainfed farming of wheat, barley and chickpea. This is due to water deficiency occurring during some stages of the growing cycle. The solution for this problem is supplementary irrigation. In addition to climate limitation, there are also topographic and soil restriction for the growth of the studied crops. On the basis of observed yield, the land units are moderately to highly suitable for rainfed wheat and barley production. Among the three named crops, the most and least profitable ones are chickpea and barley, respectively, and wheat ranks between them.
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Type of Study: Research | Subject: General

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