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Design and development of gravity f low water conveyance system for irrigation in Himalayan foot hills

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Title Design and development of gravity f low water conveyance system for irrigation in Himalayan foot hills
Not Available
 
Creator Ambrish Kumar
, B.L. Dhyani, Bankey Bihari,
D. Mandal,
Charan Singh,
Sujeet Desai ,
S.K. Shrama
Sweta Garg
 
Subject Gravity flow system, Participatory irrigation, Water conveyance system, Underground PVC pipeline, On-farm water managment
 
Description Not Available
Increasing demand of water for industrial, domestic and power sectors necessitates
urgent need for development of water saving technologies to ensure accessibility of
water to every field (Har khet ko pani) through following the approach - “per drop more
crop” in agriculture. Efficient water management in agriculture is the major challenge
to ensure sustainable food production in India. While, the situation is more
aggravating in mostly rainfed type of farming in hill and mountains. Low productivity
and cropping intensity, subsistence level of farming is attributed to poor water
resource development in the hilly areas. To enhance the productivity and livelihood in
the Himalayan foothills, a participatory gravity-flow Irrigation System has been
developed with major emphasis on the participation of beneficiary farmers in all
activities starting from surveying, planning, implementation, monitoring and
operation of the system. In this endeavor, 1830 m GI pipeline (100 mm diameter)
from source to Distribution Tank (DT) as a water conveyance and 1500 m PVC
pipeline (110 mm ) as a water distribution are laid out in the command area (26.28 ha)
in the adopted villages-Pasauli and Devthala of Dehradun district in Uttarakhand.
The conveyance efficiency was recorded >95% of the system starting from source
to remotest riser in the command area. Discharge of randomly selected risers were
taken in 2016 and found a 10-16% variation between designed (estimated) and
obser ved data. Check basin border size for efficient irrigation were optimized
using SIRMOD. Productivity of major crops increased by 48% with enhanced
cropping intensity by 29% due to intervening crop of Toria in between Maize-Wheat
sequence. Cultivation of rabi wheat on fallow land resulted increased additional net
income of ` 17500/- ha.
Not Available
 
Date 2020-06-05T11:59:54Z
2020-06-05T11:59:54Z
2017-02-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/36877
 
Language English
 
Relation Not Available;
 
Publisher Not Available