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Adoption of More Technically Efficient Irrigation Systems as a Drought Response

Adoption of technically efficient irrigation systems can mitigate the effects of drought by allowing irrigators to maintain water consumption with reduced applications. This paper uses survey data from the worst drought in Colorado's history to examine how drought conditions affect the choice of irrigation system by irrigators. Results indicate that drought conditions did significantly increase the percentage of farms using more efficient sprinkler systems relative to gravity systems. The key factors affecting the decision were land tenure, farm scale and available water supply, suggesting that those enterprises with the most owned land, the highest number of acres and the most reliable water supplies are most likely to invest in more efficient irrigation systems during severe droughts.