9.7 Based on your reading of water conservation methods on Pg. 14 and 15 of the NCERT book, complete the chart given below. Water Conservation Measure LEAD Lining canals properly Using sprinklers An method where irrigation pipelines run across a field and drip water and fertilisers into the soil. 1 . Results Prevents surface run-off Replenishes Prevents surface run-off Helps reuse rainwater for different purposes Prevents loss of water by not letting it seep into the soil Useful in areas that are dry because it prevents evaporation and run-off 19
Another report by the central groundwater board revealed, that out of the total 14649 wells analyzed, 2009 (14%) wells showed water levels less than 2 m bgl ( below ground level), 5881 (40%) wells showed water levels in the depth range of 2-5 m bgl, 4405 (30%) wells showed water level in the depth range of 5-10 m bgl.02-Aug-2021