Journal of Food, Agriculture and Environment

Land suitability evaluation for principal crops in the Abbas Plain, Southwest Iran

Author(s):

A.A.Naseri ^1*, M.Albaji ¹, S.Boroomand Nasab ¹, A.Landi ², P.Papan ³, A.Bavi ¹

Recieved Date: 2008-10-08, Accepted Date: 2008-12-28

Abstract:

Today’s excessive use of croplands and the resulting damages along with the ever-increasing demand for further crop productions have necessitated the best land management practices more than ever. Due to the current lack of any proper land management practices for Abbas plain in Elam Province, southwest Iran, a land suitability evaluation study for key productions of the region, including wheat, alfalfa, maize and barley, covering an area of 29,300 ha was carried out in the region. Using the findings of the semi-detailed soil studies for this area, 4 soil families and 11 soil series in 3 physiographic units were identified. Physiologic requirements of each crop were also determined and rated. Qualitative evaluation was carried out by means of simple limitation and parametric methods (Storie and Root Square Method) and comparing land and climate characteristics with crop needs. The indexes obtained for barley (68.85, moderately suitable), alfalfa (66.00, moderately suitable) and wheat (65.91, moderately suitable) were higher in comparison to that developed for maize (43.91, marginally suitable). Limiting factors in different crop yields in the region along with climatic variables included land slope and soil physical properties, especially soil texture and carbonate content. From the two methods used, i.e. simple limitation and parametric methods (Storie and Square Root Method), square root method produced more realistic results in respect to the existing conditions of the region.

Keywords:

Land suitability evaluation, parametric methods (Storie and Square Root Method), simple limitation methods, land series, wheat, alfalfa, maize, barley

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Journal: Journal of Food, Agriculture and Environment
Year: 2009
Volume: 7
Issue: 1
Category: Environment
Pages: 208-213

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