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No-Till Farming and Conservation Agriculture in South Asia – Issues, Challenges, Prospects and Benefits

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Title No-Till Farming and Conservation Agriculture in South Asia – Issues, Challenges, Prospects and Benefits
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Creator J. Somasundaram
N. K. Sinha
Ram C. Dalal
Rattan Lal
M. Mohanty
A. K. Naorem
K. M. Hati
R. S. Chaudhary
A. K. Biswas
A. K. Patra
S. K. Chaudhari
 
Subject Conservation agriculture
Carbon sequestration
crop productivity and profitability
crop residue retention
no-till farming
soil biodiversity ecosystem services
soil erosion
soil health
weed management
 
Description Not Available
Of late, intensive farming for higher food production is often associated with many negative implications for soil systems, such as decline of soil organic matter (SOM), increase in risks of soil erosion by wind and/or water, decline in soil biological diversity, increase in degradation of soil physical quality, lower nutrient-use efficiency, high risks of groundwater pollution, falling water tables, increasing salinization and waterlogging, in-field burning of crop residues, pollution of air and emission of greenhouse gases (GHG), leading to global warming, and decline in factor productivity. These negative implications necessitate an objective review of strategies to develop sustainable management practices, which could not only sustain soil health and ensure food security, but also enhance carbon sequestration, decrease GHG emissions, and offer clean and better ecosystem services. Conservation agriculture (CA), that includes reduced or no-till practices along with crop residue retention and mixed crop rotations, offers multiple benefits. Adoption of a system-based CA conserves water, improves and creates more efficient use of natural resources through the integrated management of available soil nutrients, water, and biological resources, and enhances use efficiency of external inputs. Due to apparent benefits of CA, it is increasingly being adopted and now covers about 180 million hectares (Mha) worldwide. However, in South Asia its spread is low (
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Date 2020-08-11T10:45:05Z
2020-08-11T10:45:05Z
2020-07-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/39452
 
Language English
 
Relation Not Available;
 
Publisher Taylor and Francis