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Soil Salinity Dynamics in Raised Bed and Furrow (RBF) System and its Effect on Alleviating Waterlogging in the Coastal Lowlands

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Title Soil Salinity Dynamics in Raised Bed and Furrow (RBF) System and its Effect on Alleviating Waterlogging in the Coastal Lowlands
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Creator A Velmurugan
TP Swarnam
SK Ambast
RL Meena
T Subramani
 
Subject Coastal salinity, Waterlogging; Raised bed system, Rainwater harvesting
 
Description Not Available
In the coastal and humid tropical island regions waterlogging and soil salinity are serious threat to the
sustainability of rainfed agriculture due to sea water inundation and intensive monsoonal rainfall. The present
study was set out to evaluate and assess the raised beds technique to alleviate this problem in coastal lowlands.
The raised bed and furrow (RBF) system reduced the overall salinity by 85%, improved the drainage of the
raised beds, harvested rain water, and prevented entry of tidal and runoff water into the furrow. Based on the
rate of reduction in salinity lag phase, leaching phase and equilibrium phase were recognised during the leaching
of salts from the raised beds. But coastal lowlands experienced waterlogging (5-81 cm) and salinity (3.0-9.1 dS
m-1) which closely followed the rainfall pattern. Waterlogging and salinity peaks at different seasons requiring
different management strategies but, raised bed and furrow system are effective in addressing this challenge
together.
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Date 2019-11-25T09:01:25Z
2019-11-25T09:01:25Z
2015-12-01
 
Type Research Paper
 
Identifier Velmurugan A, Swarnam TP, Ambast SK, Meena RL and Subramani T (2015). Soil Salinity Dynamics in Raised Bed and Furrow (RBF) System and its Effect on Alleviating Waterlogging in the Coastal Lowlands. Journal of Soil Salinity and Water Quality, 7(2): 90-97.
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http://krishi.icar.gov.in/jspui/handle/123456789/25360
 
Language English
 
Relation Not Available;
 
Publisher Indian Society of Soil Salinity and Water Quality