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The Assessment of Soil Quality in the Irrigated Area in the Perimeter Low-Service of Doukkala for the Two Lockers Sidi Bennour and Sidi S’mail in Morocco

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Journal of Life Sciences 2018年第4期12卷 195-201页

作者： kaoutar doumali Khalid Ibno Namr Chouaib Doukkali University Faculty of ScienceDepartment of GeologyBP.20El Jadida 24000Morocco

The Doukkala-Abda region covers an area of about 13,285 km^2 representing 1.87%of *** agricultural area is 428,000 ha of which 96,000 ha of large irrigation schemes,8,250 ha of private irrigation in coastal areas and 327,800 ha of rainfed *** two large irrigation perimeters of Doukkala are the low-service with an area of 61,000 ha and the high service with an area of 35,000 *** the implementation of irrigation perimeter down service Doukkala,he experienced an imbalance both in the ground and *** first,the state of the quality of soil Doukkala is not ***,observation and comparison of test results between soils in different years seem significant on the evolution of soil quality parameters(organic matter,Phosphorus olsen,pH and salinity)under intensive farming *** measures for rehabilitation and prevention are to be taken immediately in order to identify these problems and prevent them from *** methodology for the realization of this work consists of sampling,measurements in situ and analysis of soil quality *** analyses reveal that the soils of Doukkala are poor in organic matter and very rich in phosphorus,with an alarming rate of salinity evolution comparing the results of different years which must be taken into account to prevent the problem from occurring spread and preserve the soil.

关键词： Low service imbalance irrigation degeneration quality

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