Qualitative, Quantitative, and Economic Evaluation of Land Suitability for Wheat, Barley, Maize and Sunflower in part of Khoy plain

Abstract:
Land suitability studies, explore the physical, social and economic aspects of land and make the sustainable and stable use of these lands possible. The purpose of this study was to determine the qualitative, quantitative, and economic appropriateness of a part of Khoy plain in West Azarbaijan for major crops including wheat, barley, maize and sunflower. The base of Qualitative assessment was adaptation of climate, topography and soil specifications of the land with plant growth requirements for each crop using Sys table with the square root of the parametric method and the base of quantitative assessment was unit yield and potential production and economic analysis of gross profit per unit area. Qualitative evaluation results showed that most of the land units were in the classes of very suitable (S1) and moderately suitable (S2) for wheat and barley but for maize and sunflower the most of land units were in moderately (S2) and critical (S3) suitable classes. The main limiting factors in the region were salinity, alkalinity, lime and pH. Based on the results of quantitative assessment the most of land units for wheat and barley were in very suitable (S1) class and for maize and sunflower were in relatively suitable (S2) class. Comparing qualitative and quantitative classes showed that quantitative classes of the all products were in equal or higher level than qualitative classes of them referring to high level Management and suitable climatic conditions in the study region. Also Economic suitability results showed that in all land units sunflower was more profitable than other products.
Language:
Persian
Published:
Journal of Water and Soil Science, Volume:26 Issue: 3, 2016
Pages:
15 to 29
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