An economic and environmental assessment of a glyphosate ban for the example of maize production
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Author / Producer
Date
2020-04
Publication Type
Journal Article
ETH Bibliography
yes
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Abstract
We aim to contribute to a more informed discussion of the economic and environmental effects of a glyphosate ban in European agriculture. As real-world observations of weed control under a glyphosate ban are not available, we develop a normative modelling approach based on damage abatement functions considering production risk and farmers’ risk preferences. Different sources of risk are included by incorporating uncertainty of both attainable yield level and weed pressure. Results for a case study of silage maize cultivation in 377 municipalities in North RhineWestphalia, Germany, show that a glyphosate ban causes a shift towards more mechanical weed control, but not to more pronounced use of selective herbicides. The ban slightly reduces net profits and yields, leads to a significant reduction of the overall toxicity of pesticide use, but increases energy consumption of the agricultural system. The magnitude of these effects is found to be critically dependent on output price levels and yield expectations.
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Publication status
published
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Book title
Journal / series
Volume
47 (2)
Pages / Article No.
371 - 402
Publisher
Oxford University Press
Event
Edition / version
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Software
Geographic location
Date collected
Date created
Subject
herbicide; glyphosate; maize; output damage control; risk
Organisational unit
09564 - Finger, Robert / Finger, Robert
Notes
It was possible to publish this article open access thanks to a Swiss National Licence with the publisher.
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