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Quantitative assessment of impacts of climate and economic-technical factors on grain yield in Jilin Province from 1980 to 2008 |
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| Authors: | Zuofang Yao Fei Yang Xingtu Liu Minhua Yan Jun Meng |
| Institution: | YAO Zuofang 1,3,YANG Fei 2,LIU Xingtu 1,YAN Minhua 1,MENG Jun 4 (1. Northeast Institute of Geography and Agroecology,Chinese Academy of Sciences,Changchun 130012,China,2. The State Key Laboratory of Resources and Environmental Information System,Institute of Geographic Sciences and Natural Resources Research,Beijing 100101,3. Graduate University of Chinese Academy of Sciences,Beijing 100049,4. Northeast Agricultural University,Harbin 150030,Chin... |
| Abstract: | Climate change is one of the most important challenges threatening agricultural grain yield and food security. Determining the factors influencing grain yield in Jilin Province and the weights of their contribution are a very important task, because Jilin Province is an important agriculture base in China. In this study, the accumulation factor sequence evaluating data method was used to analyze the climate and economic-technical factor contribution weights to grain yield and grain yield changes in each cit... |
| Keywords: | climate factor economic-technical factor contribution weight grain yield |
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