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Managing terraced lowland and medium sloping land for sustainable agriculture: a study from the Eastern Ghat region of India

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Title Managing terraced lowland and medium sloping land for sustainable agriculture: a study from the Eastern Ghat region of India
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Creator Panda, R. K., Arora, C. P., Gore, K. P., Jakhar, P. and Dash, B. K.
 
Subject low and medium land agriculture; Eastern Ghat; terraced paddy field bund management; diversion irrigation channel
 
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Judicious management of the terraced lowlands and adjacent medium-sloping lands of the Eastern Ghat Region in India was
addressed through a case study, in order to develop a sustainable agriculture package as a resource for poor tribal farmers.
Quantification of available water resources during the period 2004–2007 revealed that average base flow and surface flow
(as percentage of total rainfall) at a level of 37.2 and 34.7% respectively, could be made available in the study area, and would
otherwise go out of the system without proper utilization. Economic resource conservation options for farmers, such as the
management of paddy field riser bunds through construction of semi-mechanical runoff disposal devices supplemented with
a Eulaliopsis binata vegetative barrier, helped in reducing runoff and soil loss by 10.6% and 1.45tha-1, respectively. Through
paired t-tests at a 5% probability level, significant differences were observed in the reduction of the sediment yield, when comparing the proposed techniques with the farmers’ practices. Introduction of a promising HYV paddy cultivar (Oryza sativa L.
or Lalat) fortified with the application of Gliricidia sepium leaves (grown on the periphery of the terraced lowlands) resulted in
a paddy yield of 4.2tha-1 as against 1.7tha-1 obtained through the local paddy cultivar. Further, based on the availability of
runoff water through a perennial stream, it was found that provision for a diversion irrigation channel constructed to harvest
water would be a promising option for irrigating the adjacent medium-sloping land for remunerative vegetable cultivation.
Overall, the developed integrated package resulted in a cost–benefit ratio of 2.6:1 with a net present value of Rs. 116
000.00 (US$2900) at a 15% discount rate, increasing the scope for replicating this technology in other parts of the Eastern Ghat
region. Copyright © 2011 John Wiley & Sons, Ltd.
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Date 2019-02-05T06:20:56Z
2019-02-05T06:20:56Z
2011-08-18
 
Type Research Paper
 
Identifier Panda, R. K., Arora, C. P., Gore, K. P., Jakhar, P. and Dash, B. K. 2011. Managing terraced lowland and medium sloping land for sustainable agriculture: a study from the Eastern Ghat region of India. Irrigation and Drainage 60 (5): 694-702.
Print ISSN: 1531-0353 Online ISSN: 1531-0361
http://krishi.icar.gov.in/jspui/handle/123456789/16879
 
Language English
 
Relation Not Available;
 
Publisher John Wiley & Sons, Ltd