Impacts of Improved Supplemental Irrigation on Farm Income, Productive Efficiency and Risk Management in Dry Areas
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Tamer Al-Shater, Yigezu Yigezu, Kamel Shideed, Aden A. Aw-Hassan. (29/12/2017). Impacts of Improved Supplemental Irrigation on Farm Income, Productive Efficiency and Risk Management in Dry Areas. Journal of Water Resource and Protection, 9 (13), pp. 1709-1720.
Abstract
This paper provides empirical evidence that improved supplemental irrigation
(ISI) can be justified on both environmental and economic grounds. Results
of a stochastic frontier model which explicitly and simultaneously accounts
for technical inefficiency and production risk applied to data collected from
513 wheat farms in the rainfed areas of Syria show that the typical adopter
farmer obtained yield and productive efficiency gains of 6% and 7%
respectively. A stochastic dominance criterion also showed that the adopter
farmers got 10% and 13% reductions in risk of obtaining yield levels below 4
tons/ha and 3 tons/ha respectively. Given its adoption level of 22.3% in 2010,
ISI led to the production of 52 thousand metric tons (6%), more wheat and
conservation of 120 million cubic meters of water (10%). ISI has the potential
to reduce total irrigation water use by upto 45% and for further increases in
yield if accompanied with sprinklers and other improved agronomic practices,
thereby enhancing food security and environmental sustainability in the
country. An important policy implication of these findings is that wider
dissemination of ISI along with other complementary agronomic practices in
postwar Syria could be a viable option to be considered by national and
international efforts for the restoration and rehabilitation of agriculture in the
country.
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Author(s) ORCID(s)
Al-Shater, Tamer https://orcid.org/0000-0002-0698-689X
Yigezu, Yigezu https://orcid.org/0000-0002-9156-7082
Shideed, Kamel https://orcid.org/0000-0002-2822-1097
Aw-Hassan, Aden A. https://orcid.org/0000-0002-9236-4949
Yigezu, Yigezu https://orcid.org/0000-0002-9156-7082
Shideed, Kamel https://orcid.org/0000-0002-2822-1097
Aw-Hassan, Aden A. https://orcid.org/0000-0002-9236-4949