Swot Analysis for the Application of Biodrainage Technology to Phytoremediate Water Logged Sites

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Kumud Dubey

Abstract

Irrigation potential has been increased in recent years for the increased and sustained yield of agricultural products. The introduction of canal irrigation has caused a rise in ground water table leading to water logging and secondary salinisation. Presently, about one-third of the world’s irrigated area faces the threat of water logging. About 4981.43 sq Km area in Uttar Pradesh is suffering from water logging resulting in reduced productivity. To address the need of farmers, a project has been started aiming to phytoremediate the waterlogged area through the application of Biodrainage. Biodrainage may be defined as “Draining out of excess soil water in atmosphere through deep-rooted plants using their bio-energy" (Chauhan et al. 2012) and it consist of the planned planting of trees with high transpiring rate (Khamzina et al. 2005). Fast growing tree species may performed as effective Biodrainage System. The deep root systems of these trees make them proficient water users in compared to the crop plants (Heuperman et al. 2002). Fast growing species like Eucalyptus, Acacia nilotica, Casuarina glauca, Terminalia arjuna, Pongamia pinnata and Syzygium cuminii, etc. are suitable species for Biodrainage. As an initial step, water logged site of eastern U.P. had been surveyed and SWOT analysis performed to study the feasibility of the project as well as the preferable Biodrainage species to be planted with acceptability among the farmers. Analysis was done by questionnaire-based interviews of the farmers on random sampling basis. For this, a questionnaire covering all parameters for studying the Strength, Weakness, Opportunities and Threats of Biodrainage Technology was prepared. In Meetings, farmers were informed about the Biorainage and its advantages and they were interviewed on the basis of a prepared questionnaire. The analysis led to conclusions that the affected farmers were keen to adopt the Biodrainage product activities willingly in order to ameliorate their waterlogged sites through plantations of selected species. However, they were a little bit apprehensive regarding the future land use of their fields. The results obtained may be useful in further planning and successful implementation of the project.

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