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- Title
Impacts of weather variations on rice yields in China based on province-level data.
- Authors
Chen, Xiaoguang; Tian, Guoping
- 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 ) on rice yield in tropical and subtropical regions, we discovered that rising T 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 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.
- Subjects
CHINA; WEATHER; CROP yields; RICE; EFFECT of temperature on crops; TWENTY-first century
- Publication
Regional Environmental Change, 2016, Vol 16, Issue 7, p2155
- ISSN
1436-3798
- Publication type
Article
- DOI
10.1007/s10113-016-0952-0