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Is irrigation water causing degradation in black soils?

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Title Is irrigation water causing degradation in black soils?
Not Available
 
Creator Padekar, D. G., Bhattacharyya, T. Deshmukh, P. D., Ray, S. K., Chandran, P. ,and Tiwary, P.
 
Subject Irrigation, black soil, degradation
 
Description Not Available
Groundwater is the major or the only source of supplemental irrigation in the
arid, semi-arid and coastal regions. Poor quality irrigation water in shrink–swell
soils (i.e. Vertisols or black cotton soils) causes poor drainage (due to low saturated
hydraulic conductivity (sHC)), increase in pH (due to soil reaction), high
exchangeable sodium/magnesium percentage and increase in bulk density of
soil. Therefore, quality of irrigation water is a key issue in irrigated agriculture,
particularly in black soils where due to high clay content of the shrink–swell
type of soil, the drainage problem is more likely. In India, shrink–swell soils
(Vertisols) developed in the alluvium derived from the weathering of Deccan
basalt, are found mostly in the Peninsular region extending from 845N to
260N lat. and 680E to 8345E long. Majority of shrink–swell soils (Vertisols)
covering nearly 76.4 mha (ref. 3) in India occur in the lower piedmont plains or
valleys, or in microdepressions.
Not Available
 
Date 2020-06-10T13:16:32Z
2020-06-10T13:16:32Z
2014-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/36936
 
Language English
 
Relation Not Available;
 
Publisher The Current Science Associationrrrr