Abstract
Using province-level yield data and daily weather data from 1980 to 2012, we investigated the responses of early rice, middle-season rice, and late rice yields to weather variations in China. In contrast to prior studies that found negative impacts of elevated daily minimum temperature (T min) on rice yield in tropical and subtropical regions, we discovered that rising T min increased early and late rice yields in China, with the positive temperature effects varying by rice-growth stage. Consistent with the previous assessments, we found that precipitation had small but negative effects on early and late rice yields. Responses of middle-season rice yield to variations in T min and precipitation are statistically insignificant. The effect of radiation on rice yields also differed by rice variety and rice-growth stage. Our findings provide useful information for developing effective rice-breeding programs and climate adaptation strategies in China.
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Acknowledgments
This research is supported by the Fundamental Research Funds for the Central Universities (Grant No. JBK160210). We thank our handling editor Christopher Reyer for his valuable comments/suggestions throughout the revisions of the paper.
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Editor: Christopher Reyer.
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Chen, X., Tian, G. Impacts of weather variations on rice yields in China based on province-level data. Reg Environ Change 16, 2155–2162 (2016). https://doi.org/10.1007/s10113-016-0952-0
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DOI: https://doi.org/10.1007/s10113-016-0952-0