Single rice growth period was prolonged by cultivars shifts, but yield was damaged by climate change during 1981-2009 in China, and late rice was just opposite

© 2013 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 19(2013), 10 vom: 15. Okt., Seite 3200-9
1. Verfasser: Tao, Fulu (VerfasserIn)
Weitere Verfasser: Zhang, Zhao, Shi, Wenjiao, Liu, Yujie, Xiao, Dengpan, Zhang, Shuai, Zhu, Zhu, Wang, Meng, Liu, Fengshan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Historical Article Journal Article Research Support, Non-U.S. Gov't adaptation climate warming crop phenology food security global dimming impact
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520 |a Based on the crop trial data during 1981-2009 at 57 agricultural experimental stations across the North Eastern China Plain (NECP) and the middle and lower reaches of Yangtze River (MLRYR), we investigated how major climate variables had changed and how the climate change had affected crop growth and yield in a setting in which agronomic management practices were taken based on actual weather. We found a significant warming trend during rice growing season, and a general decreasing trend in solar radiation (SRD) in the MLRYR during 1981-2009. Rice transplanting, heading, and maturity dates were generally advanced, but the heading and maturity dates of single rice in the MLRYR (YZ_SR) and NECP (NE_SR) were delayed. Climate warming had a negative impact on growth period lengths at about 80% of the investigated stations. Nevertheless, the actual growth period lengths of YZ_SR and NE_SR, as well as the actual length of reproductive growth period (RGP) of early rice in the MLRYR (YZ_ER), were generally prolonged due to adoption of cultivars with longer growth period to obtain higher yield. In contrast, the actual growth period length of late rice in the MLRYR (YZ_LR) was shortened by both climate warming and adoption of early mature cultivars to prevent cold damage and obtain higher yield. During 1981-2009, climate warming and decrease in SRD changed the yield of YZ_ER by -0.59 to 2.4%; climate warming during RGP increased the yield of YZ_LR by 8.38-9.56%; climate warming and decrease in SRD jointly reduced yield of YZ_SR by 7.14-9.68%; climate warming and increase in SRD jointly increased the yield of NE_SR by 1.01-3.29%. Our study suggests that rice production in China has been affected by climate change, yet at the same time changes in varieties continue to be the major factor driving yield and growing period trends 
650 4 |a Historical Article 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a adaptation 
650 4 |a climate warming 
650 4 |a crop phenology 
650 4 |a food security 
650 4 |a global dimming 
650 4 |a impact 
700 1 |a Zhang, Zhao  |e verfasserin  |4 aut 
700 1 |a Shi, Wenjiao  |e verfasserin  |4 aut 
700 1 |a Liu, Yujie  |e verfasserin  |4 aut 
700 1 |a Xiao, Dengpan  |e verfasserin  |4 aut 
700 1 |a Zhang, Shuai  |e verfasserin  |4 aut 
700 1 |a Zhu, Zhu  |e verfasserin  |4 aut 
700 1 |a Wang, Meng  |e verfasserin  |4 aut 
700 1 |a Liu, Fengshan  |e verfasserin  |4 aut 
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773 1 8 |g volume:19  |g year:2013  |g number:10  |g day:15  |g month:10  |g pages:3200-9 
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