Long-term performance of a field-release system for the intermittent exposure of agricultural crops to sulphur dioxide |
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| Institution: | 1. Department of Physiology and Environmental Science, Nottingham University, School of Agriculture, Sutton Bonington, Loughborough LE12 5RD, U.K.;2. Natural Environment Research Council, Polaris House, North Star Avenue, Swindon, Wiltshire, U.K.;1. School of Management, Lanzhou University, Lanzhou, 730000, China;2. Institute of Green Finance, Lanzhou University, Lanzhou, 730000, China;3. Energy Studies Institute, National University of Singapore, 119620, Singapore;1. School of Management and Economics, Beijing Institute of Technology, Beijing 100081, China;2. Center for Energy and Environmental Policy Research, Beijing Institute of Technology, Beijing 100081, China;3. Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China;4. Sustainable Development Research Institute for Economy and Society of Beijing, Beijing 100081, China;5. Beijing Key Lab of Energy Economics and Environmental Management, Beijing 100081, China;6. Thrombosis and Vascular Medicine Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China;7. College of Economics and Management, Xinjiang University, Urumqi 830047, China;8. Center for Innovation Management, Xinjiang University, Urumqi 830047, China;1. Inserm UMR 1125, 74, rue Marcel-Cachin, 93017 Bobigny, France;2. Sorbonne Paris Cité, université Paris 13, 74, rue Marcel-Cachin, 93017 Bobigny, France;3. Service de rhumatologie, groupe hospitalier Avicenne–Jean-Verdier–René-Muret, Assistance publique–Hôpitaux de Paris, 125, rue de Stalingrad, 93017 Bobigny, France |
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| Abstract: | A computer-controlled field-release system has been used to expose winter barley to sulphur dioxide in different combinations of concentration and duration. Three plots were exposed to nominal concentrations above background of 204 ppb × 1 day, 68 ppb × 3 days and 34 ppb × 6 days, within a repeated 6-day cycle (1 ppb = 1 nlℓ−1). Similar total doses were adminstered, and the target 6:2:1 ratio of concentrations was achieved. The overall performance of the system with regard to concentrations and durations, wind direction and reliability is discussed. |
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