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Assessment of Soil and Water Salinity and Alkalinity in Coastal Odisha – A Case Study

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Title Assessment of Soil and Water Salinity and Alkalinity in Coastal Odisha – A Case Study
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Creator R. Srinivasan., Singh, S.K., Nayak, D.C. and Dharumarajan, S.
 
Subject Soil salinity, Alkalinity, Water quality, Land management unit, Soil cation exchange capacity, Coast line, Climate change
 
Description Not Available
Soil development in Coastal Odisha is due to litteral deposits of estuarial intrusion of brackish tidal water from
sea and lacustrine sediments of Chilika Lake. The present investigation aimed to assess the distribution of soil
salinity and alkalinity in part of coastal Odisha with a view to effective management and adopting alternate
cropping system. The study area was near to Bay of Bengal and Chilika lake, where frequently saltwater intrusion
occurs to agricultural land. Study area is converted to different land management units (LMU); based on extent
of fallow land and severity of salts. Soils were low in organic carbon (OC) content. Salt concentration (ECe)
was varied from 6.94 to 16.86 dS m-1 and the highest was found in LMU 3. Soil cation exchange capacity (CEC)
and base saturation (BS) were varied from 4.3 to 15.1 c mol (p+) kg-l and 67 to 95%, respectively. Exchangeable
bases in all LMU were in the order of Ca2+> Mg2+> Na+> K+. Results of soil fertility in different depths (0-15
and 15-30 cm) revealed that the available N, P and Zn were deficient and K, Fe, Mn and Cu were sufficient.
Assessed soil and water salinity/alkalinity could able to suggest appropriate crop and land managements to
each LMU.
Not Available
 
Date 2020-05-21T06:40:01Z
2020-05-21T06:40:01Z
2018-06-01
 
Type Research Paper
 
Identifier 2
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/35972
 
Language English
 
Relation Not Available;
 
Publisher Journal of Soil Salinity and Water Quality