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Evidence of slowing yield growth - The example of Swiss cereal yields

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  • Finger, Robert

Abstract

We analyze trends in crop yields and yield variability of barley, maize, oats, rye, triticale and wheat in Switzerland from 1961 to 2006. It shows that there have been linear increases in crop yields since the 1960s. However, yields of barley, oats, rye, triticale and wheat have leveled off in Switzerland since the early 1990s, which contrasts linear trends in cereal yields that is usually assumed for Europe. We show a relationship between the introduction of agricultural policy measures towards environmentally friendly cereal production that fostered widespread adoption of extensive farming practices and the observed leveling-off of crop yields. Thus, this paper emphasizes that agricultural policy can be an important reason for slowing crop yield growth. Agricultural policy measures will be one of the key driving forces of future crop yields. Thus, the potential leveling-off of crop yields that is indicated in this study should be considered in analyses of future land use and food supply as well as in the evaluation of agri-environmental measures and policy reforms.

Suggested Citation

  • Finger, Robert, 2010. "Evidence of slowing yield growth - The example of Swiss cereal yields," Food Policy, Elsevier, vol. 35(2), pages 175-182, April.
    • Handle: RePEc:eee:jfpoli:v:35:y:2010:i:2:p:175-182
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    8. Finger, Robert & Hediger, Werner, 2007. "The Application of Robust Regression to a Production Function Comparison – the Example of Swiss Corn," MPRA Paper 4740, University Library of Munich, Germany.
    9. Robert Finger, 2008. "Impacts of Agricultural Policy Reforms on Crop Yields Incidences des réformes de la politique agricole sur les rendements des cultures Auswirkungen von Agrarpolitikreformen auf die Ernteerträge," EuroChoices, The Agricultural Economics Society, vol. 7(3), pages 24-25, December.
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    More about this item

    Keywords

    Agri-environmental policy Cereals Crop yield development Crop yield variability Detrending Robust regression Switzerland;

    JEL classification:

    • Q28 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Government Policy
    • Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy; Animal Welfare Policy
    • Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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