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POTENTIAL NUTRIENT STOCK AND EMISSION OF GREENHOUSE GASES FROM SOIL DUE TO APPLICATION OF ORGANIC AMENDMENTS IN INDIA

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Title POTENTIAL NUTRIENT STOCK AND EMISSION OF GREENHOUSE GASES FROM SOIL DUE TO APPLICATION OF ORGANIC AMENDMENTS IN INDIA
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Creator K Sammi Reddy, Sumanta Kundu, H Arunakumari and K L Sharma
 
Subject Carbon dioxide, Crop residue, Green manuring, Manure, Methane, Nitrous oxide
 
Description Not Available
In India, large quantities of organic amendments such as crop residues (550 mt yr-1), municipal solid
waste (48 mt yr-1), animal manures (182 mt yr-1) and other sources are produced. Recycling these
organic amendments in agriculture has several beneficial effects such as improving plant growth,
yield, soil carbon content, and microbial biomass and activity. Nevertheless, organic amendment
applications have some disadvantages such as nutrient eutrophication and greenhouse gas (GHG)
emission. Agriculture sector emits substantial quantities of GHGs (carbon dioxide-CO2, methane-CH4,
and nitrous oxide-N2O). Though quantity wise CH4 and N2O emissions are less than CO2, they have
higher global warming potential. Although there have been studies on the role of chemical fertilizer
application on GHG emission, there have been very few studies on the effect of organic amendments
application on GHG emission in agricultural soils. We reviewed quantification of various organic
amendments used in agriculture that include manures, municipal solid waste, green manuring, crop
residues and other miscellaneous organic amendments, major processes for GHG emission, and
impact of organic amendment application on GHG emission from soil. The article aims to highlight the
management practices to mitigate the emission and the future research needs in relation to nitrogen
and carbon dynamics in soil for judicious use of organic amendments in agriculture to maintain soil
health with minimum impact on GHG emission from agriculture
Not Available
 
Date 2021-08-21T04:49:56Z
2021-08-21T04:49:56Z
2021-04-30
 
Type Review Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/58983
 
Language English
 
Relation Not Available;
 
Publisher Not Available