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Restoring soil quality and carbon sequestration potential of waterlogged saline land using subsurface drainage technology to achieve land degradation neutrality in India

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Title Restoring soil quality and carbon sequestration potential of waterlogged saline land using subsurface drainage technology to achieve land degradation neutrality in India
Not Available
 
Creator Raj Mukhopadhyay
Ram Kishor Fagodiya
Bhaskar Narjary
Arijit Barman
Kailash Prajapat
Satyendra Kumar
Devendra Singh Bundela
Parbodh Chander Sharma
 
Subject Sub-surface drainage
Waterlogged saline soils
Soil quality
Carbon stock
Carbon sequestration potential
Principal component analysis
 
Description Not Available
Subsurface drainage (SSD) has been proved to be an effective technology to reclaim waterlogged saline soils. Three SSD projects were implemented in Haryana, India in 2009, 2012 and 2016 to study the long term effect of SSD (10, 7 and 3 years) operation on restoring productivity and carbon sequestration potential of degraded waterlogged saline soils under prevalent rice-wheat cropping system. These studies indicated that successful operation of SSD improved soil quality parameters such as bulk density, BD (from 1.58 to 1.52 Mg m−3), saturated hydraulic conductivity, SHC (from 3.19 to 5.07 cm day−1); electrical conductivity, ECe (from 9.72 to 2.18 dS m−1), soil organic carbon, OC (from 0.22 to 0.34 %), dehydrogenase activity, DHA (from 15.44 to 31.65 μg g−1 24 h−1), and alkaline phosphatase, ALPA (from 16.66 to 40.11 μg P-NP g−1 h−1) in upper soil surface (0–30 cm). The improved soil quality resulted in increased rice-wheat system yield (rice equivalent yield) by 328 %, 465 % and 665 % at Kahni, Siwana Mal and Jagsi sites, respectively. Studies also revealed that carbon sequestration potential of degraded land increased with the implementation of SSD projects. The principal component analysis (PCA) showed that % OC, ECe, ALPA, available N and K content were the most contributing factor for soil quality index (SQI). The overall result of the studies showed that SSD technology holds great potential to improve soil quality, increase crop productivity, farmers' income and ensure land degradation neutrality and food security in waterlogged saline areas of western Indo Gangetic Plain of India. Hence, it can be concluded that large scale adoption of SSD may fulfill the promise “No poverty, Zero hunger, and Life on land” sustainable development goals of United Nation in degraded waterlogged saline areas.
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Date 2023-06-13T12:13:04Z
2023-06-13T12:13:04Z
2023-05-01
 
Type Article
 
Identifier Mukhopadhyay, Raj, Ram Kishor Fagodiya, Bhaskar Narjary, Arijit Barman, Kailash Prajapat, Satyendra Kumar, Devendra Singh Bundela, and Parbodh Chander Sharma (2023). Restoring soil quality and carbon sequestration potential of waterlogged saline land using subsurface drainage technology to achieve land degradation neutrality in India. Science of The Total Environment: 163959.
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http://krishi.icar.gov.in/jspui/handle/123456789/78280
 
Language English
 
Relation Not Available;
 
Publisher Elsevier