Agricultural water saving through technologies: a zombie idea

Dionisio, C., Loch, Adam, Ward, Frank, Perry, Chris and Adamson, David (2021) Agricultural water saving through technologies: a zombie idea. Environmental Research Letters, 16 (114032). ISSN 1748-9326

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Abstract

A zombie idea is one that has been repeatedly refuted by analysis and evidence, and should have died, but clings to life for reasons that are difficult to understand without further investigation. The perception that investments in modern irrigation systems automatically save water constitutes a zombie idea. On face value, most would accept that modernizing irrigation systems makes sense: agriculture represents 70% of global water withdrawals while physical irrigation efficiencies range between 25-50% worldwide—that is, most of the water entering the irrigation system never makes it to the targeted crop. However, the impacts of modern irrigation systems are complex, and as we show, usually have the opposite effect to that intended through altered cropping and water application decisions by farmers that aggravate water scarcity. This paper investigates how this zombie idea forms; why it persists, even when proven wrong by scientific evidence; and how to overcome it.

Item Type: Article
Keywords: beliefs, modern irrigation systems, zombie idea, water resources management, incentives
Divisions: Agriculture, Science and Practice
Depositing User: Dr David Adamson
Date Deposited: 24 Oct 2024 18:43
Last Modified: 24 Oct 2024 18:43
URI: https://rau.repository.guildhe.ac.uk/id/eprint/16795

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