Paper Information

Journal:   IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH   WINTER 2007 , Volume 13 , Number 4 (25); Page(s) 368 To 384.
 
Paper: 

STUDYING THE SALINIZATION FACTORS IN KERMAN PROVINCE (CASE STUDY: KABOOTARKHAN PLAIN)

 
 
Author(s):  ZEHTABIAN GHOLAM REZA*, TAYEB M.S., SOURI MONA
 
* FACULTY OF NATURAL RESOURCES OF TEHRAN UNIVERSITY
 
Abstract: 

Salinity is one of the factores affecting the reduction of soil biological potential and vegetation and finally desertification. Water is the most limiting factor for cultivation in arid and semi arid regions. Due to shortage of surface water resources, the pressure is exerted on under ground water resources. Meanwhile, over-exploitation of underground water resources and neglecting technical points in exploitation have caused the level of underground water to be dropped. This water level drop in addition to other factors causes the quality of water resources to be changed leading to increasing of salinity. This research has been carried out in kabootarkhan plain, kerman province. In order to study factors salinizing underground water resources in this basin, some baseline data were gathered. Then, sampling of profiles of soil profiles were done in the four soil units (arable lands, ferdowsi, agriculture station and kabootakhan) in the basin in three replications. The laboratory results and existing data were analyzed using SPSS software according to the randomized split-pot design.
The results show that in appendage plain of the basin, irrigation with saline water resources in addition to soil texture have caused salinity to be occurred and in clay flat, irrigation has caused salinity to be declined due to the good. soil texture and existence of natural drainage.

 
Keyword(s): ARID ZONES, SALINITY, ARABLE LANDS, SPLIT-PLOT DESIGN, SOIL TEXTURE
 
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