good practices and examples of water management options in arid and semi-arid parts of the indus...
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Cover slide option 1 Title Good Practices and Examples of Water ManagementOptions in Arid and Semi-Arid Parts of the Indus Basin
Arif Anwar PhD, PE, MASCE
Principal Researcher- Irrigation, Head of Office IWMI Pakistan
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Kharif 2014
ET cotton
Canal water
Preciptiation
How arid is the lower Indus Basin – what does the average farmer experience?
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What are the practices (adaptation/strategies) to this inadequacy poor timing of supply
1. Cultivate and irrigate less than the entire area – cropping intensity <100% in each season;
2. Cultivate some of the area with crops requiring less water – crop diversification;
3. Allow crops to undergo water stress and accept a decrease in yield – deficit irrigation; and
4. Use groundwater to supplement surface (canal) water – conjunctive water use.
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Are we doing enough? – Probably not
• Too little, too slow
• Significant population pressure
• Climate change
• Land degradation
• Socio-economic changes including urban migration
• Business-as-usual approach
• Youth unemployment
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THANK YOU AND QUESTIONS