Irrigation System of Rajasthan

Introduction
  • The total area of Rajasthan is 3,42,239 Sq. Km.
  • Agriculture is the main occupation in Rajasthan.
  • Agriculture production is mainly depends upon South-East monsoon rain.
  • The rainfall behavour generally remains abnormal being irregular, unever and uncertain scanty with drought period and occasional local floods.
  • Average rainfall- 58.64 Cms.
  • The process of weathering and disintegration coupled with sunb-shine and insolatuion demand for the need of irrigation in state.
  • The irrigation facilities available are neither equally distributed in the state nor fully dependable. Chambal, Banas, Mahi and all other rivers add prosperity to this region.
  • There is need of judicious implementation of minor, medium and major irrigation schemes.
Sources of Irrigation:
  1. Wells and Tube wells:
    • Wells and Tube well play an important role in agriculture in Rajasthan
    • Districts - Tonk, Alwar, Ajmer, Udaipur, Jaipur, Bhilwara & Jhunjhunu.
    • Out of total irrigated are 67.7% is irrigated by wells & tube wells in the eastern plains and South-Eastern plateau region where water table is very high ranging from 10 to 20 W.
    • Well irrigation has several advantages over canal irrigation in many areas.
    • The crop pattern is better developed in areas, irrigated by wells due to regular supply of water.
  2. Tank Irrigation:
    • Tank irrigation facility is totally dependent on rainfall.
    • Districts - Bharatpur, Dholpur, Pali
    • All three districts accounts for more than 50% of the tank irrigated are in Rajasthan.
  3. Canal Irrigation:
    • District - Ganganagar
    • In Ganganagar district all the irrigation is done by canals.
    • The temperature is high in Mewar plains which causes high
    • evaporation and rock stream does not provide natural reservoirs
    • All these factors result in lesser development of canals in this region

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