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Asian Journal of Plant Sciences
Year: 2009  |  Volume: 8  |  Issue: 1  |  Page No.: 28 - 34

Qualitative Evaluation of Land Suitability for Principal Crops in the Gargar Region, Khuzestan Province, Southwest Iran

M. Behzad, M. Albaji, P. Papan, S. Boroomand Nasab, A.A. Naseri and A. Bavi    

Abstract: Here a land suitability evaluation study for key productions of the region, including wheat, alfalfa, maize and barley, covering an area of 15831 ha was carried out in the region. Using the findings of the semi-detailed soil studies for this area, 2 soil families and 8 soil series in 2 physiographic units was identified. Physiologic requirements of each crop were also determined and rated based upon the proposed methods (Parametric methods and Simple limitation method). 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 index obtained for barley, wheat and alfalfa was higher in comparison to that developed for maize. Limiting factors in different crop yield in the region along with climatic variables included soil physical properties, especially its carbonate contents, soil salinity and drainage. From the two methods used i.e., simple limitation and parametric methods (Storie and Square root methods), the latter (Square root methods) produced more realistic results in respect to the existing conditions of the region.

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