The Impact of Surface Ozone and Particulate Matter 2.5 on Rice Yield in China: An Econometric Approach

Zhihua Wu, Chengxiao Song, Yongbing Yang () and Xueting Qie
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Zhihua Wu: School of Economics and Management, Jiangxi Academy of Rural Revitalization, Jiangxi Agricultural University, Nanchang 330045, China
Chengxiao Song: College of Economics and Management, Nanjing Agricultural University, Nanjing 210095, China
Yongbing Yang: School of Economics, Nanjing University of Finance and Economics, Nanjing 210023, China
Xueting Qie: College of Economics and Management, Nanjing Agricultural University, Nanjing 210095, China

Sustainability, 2025, vol. 17, issue 8, 1-14

Abstract: Based on real county-level surface ozone and PM2.5 data, an econometric model was constructed to comprehensively consider its impacts on rice yield in China. At the same time, other economic, climate, and regional variables were included in the econometric model to accurately measure the interaction between surface ozone and PM2.5 on rice yield in China. The results showed that an increase in ozone concentration in different periods and an increase in PM2.5 in the growth period would reduce the rice yield. The interaction coefficient between ozone and PM2.5 suggests that PM2.5 partially mitigated the amount of ozone absorbed by rice plants, which in turn had a positive effect on rice yield. Therefore, while controlling PM2.5 and reducing near-surface ozone concentration, it is necessary to comprehensively consider its impact on rice yield.

Keywords: surface ozone; PM2.5; rice yield (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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