India-EU technology uses waste water to boost crop productivity
Water4Crops’ – a joint project undertaken by the European Union and India – offers ‘Constructed Wetland’, a technology to reuse the wastewater in rural areas for irrigation which would also increase the productivity and quality of crops as compared to freshwater. This technology reduce pollutants in wastewater, makes it fit for irrigation and results shown increase in yield of up to 40 percent,” Aviraj Dutta, a scientist with the International Crop Research Institute for the Semi-Arid Tropics - the research organisation granted special status by India, told IANS. Instead of using chemicals, Constructed Wetland uses layers of gravel, sand and local wetland vegetation like canna, cattail and water lettuce to treat the water. “It costs about Rs.4- 6 lakh to setup one small plant for constructed wetland in one village,” Regional Director ICRISAT Suhas P. Wani told IANS.
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