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12 Soil Organic Carbon Dynamics and Carbon Sequestration Under

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Title 12 Soil Organic Carbon Dynamics and Carbon Sequestration Under
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Creator KM Hati, AK Biswas, J Somasundaram, Monoranjan Mohanty, RK Singh, NK Sinha, RS Chaudhary
 
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Description Not Available
Soils, especially managed agricultural soils, have the potential to sequester carbon (C) and contribute to the mitigation of GHGs emissions. Increasing the amount of organic matter addition to soils may not only mitigate GHG emissions, but also benefit agricultural productivity through improvements in soil health and environmental quality. One potential method for increasing the amount of C held in agricultural soil is through conversion of conventional tillage practices to conservation tillage practices that reduce tillage and retain crop residues. Vertisols in India occupy 8.1% of the total geographical area of the country and are generally low in organic carbon content, but these soils have great potential to increase the soil organic carbon (SOC) level. Improvement in SOC content in these soils through traditional/conventional soil management practices is very difficult, as it has already attained the equilibrium level. One of the most attainable pathways to improve and sequester SOC content in this soil is through either regular addition of organic manures such as farmyard manure, compost or crop residues or by switching traditional tillage practices to no-tillage or other forms of conservation tillage. Several long-and short-term field studies on Vertisols reported that management strategies, such as no-tillage (NT) and reduced tillage (RT) with residue retention, played a significant role in increasing SOC concentration and favouring aggregate stability. Adoption of conservation tillage practices resulted in an improvement of surface soil aggregation and an increase in the proportion of macroaggregates compared to conventional tillage. Conservation tillage
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Date 2019-12-03T10:12:34Z
2019-12-03T10:12:34Z
2019-11-23
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/26687
 
Language English
 
Relation Not Available;
 
Publisher Springer Nature