Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 405826
Title Limited potential of crop management for mitigating surface ozone impacts on global food supply
Author(s) Teixera, E.; Fischer, G.; Velthuizen, H. van; Dingenen, R. van; Dentener, F.; Mills, G.; Walter, C.; Ewert, F.
Source Atmospheric Environment 45 (2011)15. - ISSN 1352-2310 - p. 2569 - 2576.
DOI http://dx.doi.org/10.1016/j.atmosenv.2011.02.002
Department(s) Plant Production Systems
PE&RC
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) tropospheric ozone - agricultural crops - modern wheat - europe - yields - cultivars - growth - sensitivity - exposure - standard
Abstract Surface ozone (O3) is a potent phytotoxic air pollutant that reduces the productivity of agricultural crops. Growing use of fossil fuel and climate change are increasing O3 concentrations to levels that threaten food supply. Historically, farmers have successfully adapted agricultural practices to cope with changing environments. However, high O3 concentrations are a new threat to food production and possibilities for adaptation are not well understood. We simulate the impact of ozone damage on four key crops (wheat, maize, rice and soybean) on a global scale and assess the effectiveness of adaptation of agricultural practices to minimize ozone damage. As O3 concentrations have a strong seasonal and regional pattern, the adaptation options assessed refer to shifting crop calendars through changing sowing dates, applying irrigation and using crop varieties with different growth cycles. Results show that China, India and the United States are currently by far the most affected countries, bearing more than half of all global losses and threatened areas. Irrigation largely affects ozone exposure but local impacts depend on the seasonality of emissions and climate. Shifting crop calendars can reduce regional O3 damage for specific crop-location combinations (e.g. up to 25% for rain-fed soybean in India) but has little implication at the global level. Considering the limited benefits of adaptation, mitigation of O3 precursors remains the main option to secure regional and global food production
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