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Importance of Irrigation Engineering

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  • In the next 35-45- years, world food production will need to double to meet the demands of increased population.

  • 90% of this increased food production will have to come from existing lands. 

  • 70% of this increased food production will have to come from irrigated land

Purposes of Irrigation

  • Providing insurance against short duration droughts

  • Reducing the hazard of frost (increase the temperature of the plant)

  • Reducing the temperature during hot spells

  • Washing or diluting salts in the soil Softening tillage pans and clods

  • Delaying bud formation by evaporative cooling

  • Promoting the function of some micro organisms

Objectives of irrigation

  • Purpose & Uses of Irrigation EngineeringTo Supply Water Partially or Totally for Crop Need

  • To Cool both the Soil and the Plant

  • To Leach Excess Salts

  • To improve Groundwater storage

  • To Facilitate continuous cropping

  • To Enhance Fertilizer Application- Fertigation

Benefits of Irrigation

  1. Increase in Crop Yield
  2. Protection from femine
  3. Cultivation of superior crops
  4. Elimination of mixed cropping:
  5. Economic development
  6. Hydro power generation
  7. Domestic and industrial water supply:
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