evaluation of in situ rainwater harvesting … · 2017-06-08 · evaluation of in situ rainwater...
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EVALUATION OF IN SITU RAINWATER HARVESTING TECHNIQUES FOR CROP PRODUCTION AND SOIL
CONSERVATION IN THE SEMI-ARID AREAS OF EASTERN ETHIOPIA
By: Kibebew Kibret (Dr.) BSc: Arid Zone Soil and Water Conservation (Alemaya University,
Ethiopia) MSc: Eremology (Desert Science) (Gent University, Belgium) PhD: Soil Science (Sp: Soil Physics) (Free State University, RSA)
Other investigators of the project: Dr. Kindie Tesfaye and Dr. Bobe Bedadi –Haramaya University Financial support: African Water Facility through MoWR of Ethiopia
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Study sites
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Ex-situ Efforts
Siltation problems
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Siltation problems
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Basin Tied-ridges (TR)
Infield Rainwater Harvesting (IRWH)
Conventional (flat bed) tillage
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Conventional tillage
IRWH
TR
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0
1000
2000
3000
4000
5000
6000
CT TR IRWH1 IRWH1.5 IRWH2
Mea
n b
iom
ass
(k
gh
a-1
)
In situ water harvesting techniques
0
200
400
600
800
1000
1200
1400
CT TR IRWH1 IRWH1.5 IRWH2
Mea
n g
rain
yie
ld (
kgh
a-1
)
In situ water harvesting techniques
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Source: Cornelis et al. (2012)