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Simulation of efficiency impact of drainage water re-use: case of small-scale vegetable growers in North West Province, South Africa

Stijn Speelman UGent, Marijke D'Haese UGent and Luc D'Haese UGent (2011) AGREKON. 50(1). p.89-101
abstract
This paper focuses on estimating the effect of drainage water reuse on the technical efficiency of small-scale vegetable growers in South Africa applying a data envelopment analysis (DEA). In the semi-arid North West Province of South Africa water scarcity and the soon to be implemented water charges have urged farmers in small-scale irrigation schemes to evaluate the efficiency of their water use. Data on 60 farmers were used to estimate the level of technical efficiency and the effect that drainage water re-use could have on efficiency levels. This effect of water reuse was simulated by a 5, 10, 15 and 20 per cent reduction in water use at farm level. A Malmquist productivity index was calculated to evaluate the effect of these reductions. The main finding was that under current farming conditions many farmers operated at suboptimal levels of technical efficiency. While a reduction in water use evidently increased factor productivity for most farms, the effect clearly varied strongly between farms. This confirms the need to take a systems approach for this type of evaluations.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
PRODUCTIVE EFFICIENCY, DATA ENVELOPMENT ANALYSIS, TECHNICAL EFFICIENCY, IRRIGATION, BENCHMARKING, VICTORIA, SCHEMES, FARMS, SPAIN, DEA, data envelopment analysis, small-scale irrigation, South Africa, water reuse, simulation
journal title
AGREKON
Agrekon
volume
50
issue
1
pages
89 - 101
Web of Science type
Article
Web of Science id
000292118100006
JCR category
AGRICULTURAL ECONOMICS & POLICY
JCR impact factor
0.653 (2011)
JCR rank
10/14 (2011)
JCR quartile
3 (2011)
ISSN
0303-1853
DOI
10.1080/03031853.2011.562711
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1264857
handle
http://hdl.handle.net/1854/LU-1264857
date created
2011-06-15 14:49:03
date last changed
2015-06-17 09:37:22
@article{1264857,
  abstract     = {This paper focuses on estimating the effect of drainage water reuse on the technical efficiency of small-scale vegetable growers in South Africa applying a data envelopment analysis (DEA). In the semi-arid North West Province of South Africa water scarcity and the soon to be implemented water charges have urged farmers in small-scale irrigation schemes to evaluate the efficiency of their water use. Data on 60 farmers were used to estimate the level of technical efficiency and the effect that drainage water re-use could have on efficiency levels. This effect of water reuse was simulated by a 5, 10, 15 and 20 per cent reduction in water use at farm level. A Malmquist productivity index was calculated to evaluate the effect of these reductions. The main finding was that under current farming conditions many farmers operated at suboptimal levels of technical efficiency. While a reduction in water use evidently increased factor productivity for most farms, the effect clearly varied strongly between farms. This confirms the need to take a systems approach for this type of evaluations.},
  author       = {Speelman, Stijn and D'Haese, Marijke and D'Haese, Luc},
  issn         = {0303-1853},
  journal      = {AGREKON},
  keyword      = {PRODUCTIVE EFFICIENCY,DATA ENVELOPMENT ANALYSIS,TECHNICAL EFFICIENCY,IRRIGATION,BENCHMARKING,VICTORIA,SCHEMES,FARMS,SPAIN,DEA,data envelopment analysis,small-scale irrigation,South Africa,water reuse,simulation},
  language     = {eng},
  number       = {1},
  pages        = {89--101},
  title        = {Simulation of efficiency impact of drainage water re-use: case of small-scale vegetable growers in North West Province, South Africa},
  url          = {http://dx.doi.org/10.1080/03031853.2011.562711},
  volume       = {50},
  year         = {2011},
}

Chicago
Speelman, Stijn, Marijke D’Haese, and Luc D’Haese. 2011. “Simulation of Efficiency Impact of Drainage Water Re-use: Case of Small-scale Vegetable Growers in North West Province, South Africa.” Agrekon 50 (1): 89–101.
APA
Speelman, S., D’Haese, M., & D’Haese, L. (2011). Simulation of efficiency impact of drainage water re-use: case of small-scale vegetable growers in North West Province, South Africa. AGREKON, 50(1), 89–101.
Vancouver
1.
Speelman S, D’Haese M, D’Haese L. Simulation of efficiency impact of drainage water re-use: case of small-scale vegetable growers in North West Province, South Africa. AGREKON. 2011;50(1):89–101.
MLA
Speelman, Stijn, Marijke D’Haese, and Luc D’Haese. “Simulation of Efficiency Impact of Drainage Water Re-use: Case of Small-scale Vegetable Growers in North West Province, South Africa.” AGREKON 50.1 (2011): 89–101. Print.