Toward sustainable irrigation: Would subsidizing improve technologies result in water conservation in Alberta, Canada?
Nicol, Lorraine ， Bjornlund, Henning ， Klein, K. K.
2010 INCENTIVES AND INSTRUMENTS FOR SUSTAINABLE IRRIGATION 2010 null(卷), null(期), (173-188页)
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In semiarid southern Alberta where irrigation accounts for the majority of water consumed, improved efficiency in this sector has been advocated as a means to reduce water use and increase availability to new users, including in-stream users. This chapter evaluates the importance of improved irrigation technologies and management practices in improving water use efficiency and assessing whether subsidizing the improved technology is likely to reduce water use and promote more sustainable irrigation. The results find that water savings do not necessarily translate into water conservation as the saved water can be used to intensify irrigation, resulting in reduced return river flows. However, subsidy programs linked to reduced irrigated areas, and thereby water conservation, might work in southern Alberta since the main driver of adoption is cost saving, quality improvement or increased yield while very little importance is placed on increasing the irrigated area.
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