Polylined Water Harvesting Tank Technique to Mitigate the Impact of Climate Change on Agro-economy in Rain Fed Conditions: A Case Study
Journal Title: Journal of Biological and chemical Chronicles - Year 2018, Vol 4, Issue 1
Abstract
Polylined water harvesting tank technique is very useful for meeting the scarcity of water in rain fed areas vis-à-vis to mitigate the impact of climate change. An analysis of capacity and usefulness of polylined water harvesting tank in village Mann of rain fed district Hamirpur (H.P.) was carried out. Very severe water scarcity persists in this village especially during summer period. Farmers have to carry water from far off places for domestic as well as for meeting the minimum critical water needs of agricultural cash crops like tomato, cucurbits, capsicum etc. The top most priority of the present study was to way out the source of water for meeting minimum critical water needs of vegetable crops and maintenance of nutritional gardens. Six polylined tanks were constructed. These tanks were constructed on farmer’s field to harvest runoff water for meeting the critical need of irrigation. Trapezoidal shaped silpauline lined tanks having depth of 1.5 m, length of 10 m and width of 6 m, at bottom each and side slope of 1:1 were constructed for lining the tanks, a blue colored UV stabilized, multilayered cross- laminated sheets were used. Class one bricks 4800 nos. of each tank were used for lining the polyline sheets. The storage capacity of this tank was approximately between 60000-70000 liters in each. After construction of rain water harvesting structures, the farmers are using harvested rain water for irrigation by ridges and furrows method. This technique has resulted in an increase in irrigated area. The increase in irrigated area after using this technique has enhanced production of crops/vegetables and also boosted their income. This observation has clearly shown that rain water harvesting offers a viable solution to the irrigation problems of the farmers in rain fed areas.
Authors and Affiliations
Gulshan Kumar, Hem Chander
Keywords
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