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| Effects of climate change on rice growth period and production in Haikou |
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| DOI：10.16768/j.issn.1004-874X.2017.08.023 |
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| Abstract: |
| Based on the rice growth period，production and meteorological element data from 1983 to 2016
observed at Haikou agro-meteorological stations，the effects of climate change on rice growth period and production
were analyzed. The results indicated that rice growth period showed a delay in different degree，vegetative growth
period shortened，reproductive growth period presented a prolonged trend. The temperatures during rice growth period
increased，the highest temperature was most significant，sunshine duration decreased. Highest temperature was the
main meteorological factor affecting the yield of early rice，so more attention should be paid to the high temperature
prevention in the reproductive stage of early rice. The relationship between temperatures，sunshine duration and yield
was not significant during growth periods of late rice，while typhoon storm may be the major cause of large fluctuations
in late rice yield. |
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