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Development of coastal wetland through rice-fish integration system: a case study in Odisha, India

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Title Development of coastal wetland through rice-fish integration system: a case study in Odisha, India
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Creator Kar, G. and Kumar, A.
 
Subject Coastal waterlogged areas, Odisha, Rainfall-runoff, Normal rice Genotype, Time of Flooding, Wetlands, Deep water rice, Pond based farming.
 
Description Not Available
Traditionally, local farmers of coastal waterlogged areas of eastern region of
India plough the agricultural field twice or thrice before June with the help of premonsoon
shower and broadcast dry seeds of local rice varieties of long duration
(150 days) in the first week of June. But chances of profitable crop production
depend upon the time and depth of flooding/waterlogging. The waterlogging during
rainy season for most part of the crop growth reduces tillering and growth of the
normal rice genotype.
As a case study, development and management strategies of seasonal
waterelogged coastal areas of Puri district of Odisha were developed through deep
water rice cultivation, pond based farming and multiple use of water. Based on the
rainfall-runoff relationship, it was observed that, flooding was highly dependant on
rainfall in the catchments and rice yield production was highly influenced by time of
flooding. Among 3 study years (2005, 2006, 2007), no yield was obtained in 2006
due to occurrence of early flood (1st week of July). Performance of improved deep
water rice varieties (‘Hangseswari’, ‘Sabita’, ‘Ambika’, ‘Saraswati’) was compared
with that of two local varieties (‘Bankui’ and ‘Dhalakaritk’) under 3 flooding depths.
The net water productivity was enhanced from Rs. 1.22/m3
through sole rice to Rs.
6.26/m3
through integrated rice-fish pond based farming.
Not Available
 
Date 2018-12-13T04:12:38Z
2018-12-13T04:12:38Z
2012-06
 
Type Research Paper
 
Identifier Kar, G. and Kumar, A. 2012. Development of coastal wetland through rice-fish integration system: a case study in Odisha, India. Journal of Sustainable Planet, 3(2): 22-36.
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http://krishi.icar.gov.in/jspui/handle/123456789/15864
 
Language English
 
Relation Not Available;
 
Publisher Institute of Advance Technology & Environmental Studies (IATES)