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Trends and transitions in asian irrigation what are the prospects for the future
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Transcript of Trends and transitions in asian irrigation what are the prospects for the future
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IWMI and FAO
ADB funded Issue Paper on
Trends and transitions in Asian irrigation: What are the prospects for the future?
Aditi Mukherji (IWMI)
Presented at the 5th World Water Forum, Istanbul
March 2009
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The Issue Paper: Structure
• Why irrigation? Introduction
• Trends and their drivers
• Irrigation scenarios for Asia
• Rise of atomistic irrigation in Asia
• Reform or morph: Unlocking value
• Future challenges and options
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Rising irrigation, falling food prices & poverty
But is irrigation expansion like1960s & 1970s possible, or even
desirable?
Population will increase,Climate change is
imminentDo we have enough
water?
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Major pathways to meet future food demand in Asia
• Invest in rainfed agriculture• Invest in irrigation
Improve productivity of existing systems (How?)Expand irrigation (Where and of what type?)
• Promote trade from water rich highly productive areas
• Reform irrigation and unlock value
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Rise of the atomistic irrigation in South Asia..Net irrigated area under surface irrigation (000’ha)
Net irrigated area served by groundwater (000’ ha)
1993-4 2000-1
% change 1993-4 2000-1
% change
Andhra Pradesh 2523 2269 -10.1 1678 1829 +9
Bihar & Jharkhand 1762 986.8
-44.02029 2111.5
+40.7
MP & Chattisgarh 2140 1279.1 -40.2 1535 2300.9 +49.9
Punjab 1283.4 1168.7 -8.9 2622 2438 -7.1
Rajasthan 1815 1439 -20.7 2702 3450 +27.7
UP & Uttaranchal 3837 2106.6 -45.1 5630 8493 + 50.8
Pakistan Punjab 4240 3740 -11.8 8760 10340 +18
Sind 2300 1960 -14.8 140 200 +42.9
Bangladesh 537 480 -10.7 2124 3462 +63
All areas 22709 17215 -24.2 28437 35762 +25.8
Source: Shah, Tushaar. 2009. Taming the anarchy: groundwater governance in South Asia
This calls for entirely different
paradigm of water management
Whither PIM*/IMT*?
Contours of irrigation is fast
changing
*PIM: Participatory Irrigation Management *IMT: Irrigation Management Transfer
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Socio-technical Preconditions that support Surface Irrigation
1. Nature of the state1.1 Local authority structures :1.2 State interest in irrigation: 1.3 Ease of Forced Labor:
2. Nature of Agrarian society2.1 Irrigated cropping pattern2.2 Ease of exit from farming2.3 Agrarian institutions
3. Demographics3.1 Population pressure on farm land
4.State of irrigation technology4.1 Availability and Affordability of water lifting and transport
Future of surface irrigation?
FAVORABLECONTINGENCIES
STRONGREVENUE/LEVYHIGH
HOMOGENEOUSLOWFEUDAL/STATIST
LOW
LOW
BRIGHT
South Asia
WeakWelfareImpossible
Diverse;HighEgalitarian
Very high; intensification and diversification.
High
BLEAK
PIM/IMT will be difficult to sustain becauseSurface irrigation as a technology of water
mobilization andApplication is being crowded out by
Atomistic irrigation.Strategy? Reinvent surface systems to support
Atomistic irrigation
Source: Shah, Tushaar. 2009. Taming the anarchy: groundwater governance in South Asia
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Socio-technical Preconditions that support Surface Irrigation
1. Nature of the state1.1 Local authority structures :1.2 State interest in irrigation: 1.3 Ease of Forced Labor:
2. Nature of Agrarian society 2.1 Irrigated cropping pattern2.2 Ease of exit from farming2.3 Agrarian institutions
3. Demographics3.1 Population pressure on farm land
4.State of irrigation technology4.1 Availability and Affordability of water lifting and transport
Future of surface irrigation?
CONTINGENCIES
STRONGREVENUE/LEVYHIGH
MONO CROPPINGLOWFEUDAL/STATIST
LOW
LOW
CENTRAL ASIA
STRONGWelfare +Taxes+ Exports? ???
COTTON/WHEAT;HIGH taxes;LOW?STATIST?
lOW;
LOW?
GOOD
Best bet for farmer-participatoryIrrigation management. Larger farms,
better levy crop prices and‘right’ capitalization will
Promote PIM.
Source: Shah, Tushaar. 2009. Taming the anarchy: groundwater governance in South Asia
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Some of the arguments in this section are developed in
this book..
Source: Shah, Tushaar. 2009. Taming the anarchy: groundwater governance in South Asia. Washington, DC, USA: Resources for the Future; Colombo, Sri Lanka: International Water Management Institute (IWMI) 310p.
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Adapting yesterday’s systems to tomorrow’s needs: What can be done?
Stage of agricultural development Desired irrigation & drainage strategy
Focus outside agricultureDeveloped economies (e.g. Malaysia)
Seek private investments for system upgradationPrice water at realistic levelsImprove water productivityGo for technological fixes
Export oriented agricultureIntermediate/transition economies
Invest in smaller schemes dedicated to high value cropsInvest in water savingsEnsure financial viability, even if not full cost recovery
Dependent on agricultureDeveloping economies
Concentrate on cereal production & livelihood goalsBuilt new infrastructure if feasible or modernize existing onesProvide government and external financing of irrigation schemes
Source: Mukherji, A et al.2009. Revitalizing Asia’s irrigation: to sustainably meet tomorrow’s food needs.
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New threat? Or opportunity? Land acquisitions in other countries
Source: Mukherji, A et al. 2009.Revitalizing Asia’s irrigation: to sustainably meet tomorrow’s food needs.
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Thank you
For copies of the draft Issue Paper
Contact
Aditi [email protected]
Related Publication: Mukherji, Aditi; Facon, T.; Burke, J.; de Fraiture, Charlotte; Faures, J. M.; Fuleki, Blanka; Giordano, Mark; Molden, David; Shah, Tushaar. 2009. Revitalizing Asia's irrigation: to sustainably meet tomorrow's food needs. Colombo, Sri Lanka: International Water Management Institute (IWMI); Rome, Italy: FAO. 39p.
< http://www.iwmi.cgiar.org/Publications/Other/PDF/Revitalizing%20Asia%27s%20Irrigation.pdf>