aww2013: addressing groundwater management and rural climate change in shanxi province (prc)
TRANSCRIPT
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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AND RURAL CLIMATE CHANGE IN SHANXI
PROVINCE PRCAsia Water Week, ADB
13‐15 March 2013
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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• Steenbergen, Sun Xiangrong, Fan Caiying, Li Hongyan, Zhang Wen Zhong, Frank Radstake
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Shanxi Province
• 104,000 abstraction points
• 3.5 rowth in usa e
• 12% less precipitation in
50
years
annually
• 6903 km2
(25%)
overused –
• Temperature increase 1.2
degree Celsius, esp
in
especia y in ow ying areas
• geological disturbance and
mining
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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0188 ‐ PRC Grant
Groundwater Management Shanxi Provincial Government
Municipa an County governmentsAsian Development Bank
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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inxu – re ulated roundwater s stem
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Qinxu – regulated groundwater system
• 11,000 ha
under groundwater
irrigation• Alll wells equiped with
automated system operated‐ .
• 1473 wells by swipe card
•Quota
set
annually for
• Increased use of levelling andplastic mulch
,
• Tiered water price ‐
depending on use of quota
water is
40%
• Water levels rising since 2010
>1.6 mtr
– RMB 0.41
‐0.55/unit
• Quotas can be exchanged
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Water levels
recorded
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Water use recorded and billed 2
tiers
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ixian – controlled dri irri ation in
reenhouses
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Qixian
,
• 263m3/capita
• Groundwater use 173 of
• Filter, frequencey converter,
dual pipeline, drip system,
recharge
• Decline 0.76 m/yr
ertigation units
• Cost (all) RMB 6000/mu
•
• Upcoming greenhouse
agriculture
8000/mu
• Water saving 40‐60%
.•
er zer sav ng‐
• Yield incresse 25‐40%
• Water roductivit +90%
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Plus some crops (zuccini) only grow in controlled
env ronmen
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Re licated in loan ro ect
and outside
and im roved
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Farmers union as
drivin force
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Other pilots:
s – co wea er rr ga on
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Xi – labour saving spring micro irrigation for ‘golden
pears
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Pinghsun – micro‐sprinklers in mesh tents for prickly
as s oo
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Pinghsun – micro‐sprinklers
Situation• Karst mountain, limited land
• Farm income RMB 2720/yr
Impact• Washes away aphids: better
• Prickley ash shoots (zanthoxylum) andwalnuts
Pilot
product
• Water saving approx 40%
• Fertilizer/ pesticide
saving
• Source development
• Central unit – including filter
• Each field unit owns meter and mixingsystem for fertilizer/ pesticide
approx 40%
• Yield increase approx 20%
• Annual additional income RMB• Suspended micro
‐sprinklers
• Costs RMB 5000/mu – including source
development
4000/mu• Expanded this year to 220 to
1000 mu
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Local enter rise ex andin its ca acit
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Providin out rower su ort
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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NICHE PRODUCT
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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Lessons
• Groundwater = mana in the water buffer
• Water price is
substantial
•
– Increased yields and better crops
– Reduced labour and reduced agrochemicals– Opportunties that were not there before
• Quick pay back (after maturity) and expansion
• Getting it technically right is
important
• Role of local enterprises and farmers union
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7/29/2019 AWW2013: Addressing Groundwater Management and Rural Climate Change in Shanxi Province (PRC)
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MAIN LESSON
CREATING LOCAL
ON WATER EFFICIENT
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