Impact of Growing-Season Meteorology on Japonica Rice Productivity in Northeastern China

2017 International Conference on Sustainable Development on Energy and Environment Protection

能源学;生态环境科学

Yu, W.^1 ; Zhang, Y.E.^1 ; Wang, Y.^1 ; Liu, J.J.^1 ; Chen, W.^1 ; Seng, S.S.^1 ; Zhuang, J.Y.^1 ; Gao, L.W.^1 ; Ahmed, A.-G.^1 ; Li, Z.M.^1 ; Li, G.Q.^1 ; Xu, S.W.^1

Agricultural Information Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Agricultural Information Service Technology, Ministry of Agriculture, Key Laboratory of Intelligent Agricultural Early Warning Technology and System, Chinese Academy of Agricultural Sciences, Beijing

100081, China^1

关键词: Accurate estimation;    Crop productivity;    Japonica rice;    Maximum temperature;    Meteorological factors;    Minimum temperatures;    Northeastern China;    Technological progress;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/86/1/012017/pdf
DOI  :  10.1088/1755-1315/86/1/012017

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Meteorological factors have major impact on crop productivity in the world. Many researchers have evaluated the possible impact of climate change on crop yields using models. Here we use a 1980-2015panel dataset from China Agricultural Cost and Return Yearbook to investigate the meteorological impact on Chinese Japonica rice yield growth. We find that average temperature has significantly positive effect on rice yields; while maximum temperature and minimum temperature have negative effect on rice yield. Physicalinputs and time trend (technological progress) into the crop yield have an accurate estimation on crop yields. Means including irrigation or drainage could use during growing season.