Journal of Food, Agriculture and Environment

Investigation of soil quality for different irrigation systems in Baghe Plain, Iran

Author(s):

A. A. Naseri ¹, M. Albaji ^1*, G. R. Khajeh Sahoti ², S. Sharifi ², A. Sarafraz ², M. R. Eghbali ²

Recieved Date: 2009-01-22, Accepted Date: 2009-04-16

Abstract:

The main objective of this research was to compare different irrigation methods based upon a parametric evaluation system in an area of 7000 ha in the Baghe region located in Khuzestan Province, Southwest Iran. Soil properties of the study area including texture, depth, electrical conductivity, drainage, calcium carbonate content and slope were derived from a semi-detailed soil study regarding Baghe plain in a scale of 1:20,000. After analyzing and evaluating soil properties, suitability maps were generated for surface, sprinkler and drip irrigation methods by means of Remote Sensing (RS) Technique and Geographic Information System (GIS). The results showed that 2000 ha (28.57%) of the studied area was highly suitable for sprinkler irrigation method. Also, there was not highly suitable (S₁) lands for drip and surface irrigation methods in the study area, while some soil series coded 4, 5, 6 and 7 covering an area of 2900 ha (41.42%) were not suitable to be used for all irrigations systems. The results demonstrated that by applying drip irrigation method instead of surface and sprinkler irrigation methods, land suitability classes of 1850 ha (26.43%) for Baghe Plain will improve. Also, by applying sprinkler irrigation instead of surface and drip irrigation methods, land suitability classes of 2575 ha (36.79%) of this plain will improve. The comparison of the different types of irrigation techniques revealed that the sprinkler and drip irrigation were more effective and efficient than the surface irrigation methods for improving the suitability to the irrigation purposes. Additionally, the main limiting factor in using surface and sprinkler irrigation methods in this area were soil texture, drainage, salinity and alkalinity and the main limiting factors in using drip irrigation methods were soil calcium carbonate content, drainage, salinity and alkalinity.

Keywords:

Surface irrigation, sprinkler irrigation, drip irrigation, land suitability evaluation, parametric method, soil series

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Journal: Journal of Food, Agriculture and Environment
Year: 2009
Volume: 7
Issue: 2
Category: Environment
Pages: 713-717

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