Abstract:
The main objective of this research was to compare different irrigation methods based on a parametric evaluation system in an area of 3011.9 ha in the Miheh plain of the Chahar Mahal and Bakhtyari Province, in the center of Iran. After analyzing and evaluating the soil properties, suitability maps were generated for surface, drip and sprinkler irrigation using Geographic Information System (GIS). The results showed that 73 ha (2.42%) of the lands in the studied region is highly suitable for surface irrigation. Whereas, 1355.8 ha (45.01%) and 907.6 ha (30.13%) of the study area are highly suitable for drip and sprinkler irrigations, respectively. Also, by applying drip and sprinkler irrigations instead of surface irrigation method, land suitability classes of 2848 ha (94.56%) of this plain will improve. The main limiting factors in using both drip and sprinkler irrigation methods in this area were soil texture, slope and the calcium carbonate content and the main limiting factor in using surface irrigation methods were slope and soil texture. The results showed that drip and sprinkler irrigation systems are the most suitable for Miheh plain (except the lands of 4.1 soil series), compared to the surface irrigation.
Mehdi Jovzi, Mohammad Albaji and Amin Gharibzadeh, 2012. Investigating the Suitability of Lands for Surface and Under-Pressure (Drip and Sprinkler) Irrigation in Miheh Plain. Research Journal of Environmental Sciences, 6: 51-61.
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