Drainage: Flow of water through well-defined channels. Network of such channels is called a drainage system . Drainage basin: An area drained by a river and its tributaries. Watershed: Boundary line separating one drainage basin from other. River basins are larger watersheds. Drainage pattern of an area depends on the geological time period, nature … Read more Drainage Systems Himalayan and the Peninsular

  The Green Revolution was initiated in the 1960’s to address the issue of malnutrition in the developing world. The technology of the Green Revolution involved bio-engineered seeds that worked in conjunction with chemical fertilizers and heavy irrigation to increase crop yields. Green Revolution was largely confined in wheat crop and in northern India such … Read more Green Revolution and its impact on major crops of India