Assam water resources department has accepted a proposal to implement an indigenously developed cost effective anti-erosion technology using plastic nets. The technology was developed under the guidance of Indian Institute of Technology, Guwahati, and a pilot project was carried out in 2007-10 under the sponsorship of North Eastern Development Finance Corporation.
According to Polygon Foundation General Secretary D Hazarika, the technology relies on the use of plastic nets tied to concrete blocks fitted into the soil near river banks to check erosion. He said they proposed to use the technology for anti-erosion measures in some of Brahmaputra's tributaries like Jiyabharali and Dhanshiri.
A pilot project was carried out in Dikrong river in Dhemaji district in 2007-10 under a Rs 35 lakh sponsorship of NEDFI. Around 300 metres of land was used for it and those areas remained free of any effect of erosion. The civil engineering department of IIT, Guwahati, extended its expertise during the pilot study.
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