Multicriteria land suitability evaluation in Damghan Plain for barley by using GIS | Land Portal

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Date of publication: 
December 2010
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The study area chosen is Damghan Plain, in Iran and covers an area of 5400 hectares.The methodology used for the physical land suitability analysis is a multi-criteria evaluation based on FAO land evaluation framework. The methodology consists of matching soil/land qualities against barley needs and assigning suitability rating to each land characteristic. The results show that 15.88% of the area is S2 (moderately suitable) and 26.55% S3 (marginally suitable) and 57.57% and N (Not Suitable) for Barley crop. Lack of suitable water for irrigation, soil salinity, low rainfall and poor soil fertility and gravel are the most serious problems influencing yield and quality of barley.

Исследование проводилось на основе системы GIS, принятой FAO, на 5400 га к югу от равнины Дамгана. Были изучены мощность почвы, угол склона, текстура и плодородие.
Результаты исследований показали, что для посева ячменя 15,88% площади средне пригодны (S2), 26,55 % пригодны (S3), 57,57% площади совершенно непригодны (N2).
Серьезными проблемами, влияющими на урожайность и качество ячменя, являются недостаточное орошение, засоленность и низкое плодородие почвы, а также засуха.

Authors and Publishers

Author(s), editor(s), contributor(s): 
Ashraf, Sh. Manoukyan, R.
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