Analysis of Major Factors Influencing Crop Yield of Shandong Province

摘要：

　　Based on the evaluation on overall grain production capacity, the major factors influencing grain production in every decade were analyzed using the grain yield statistics in over 60 years of Shandong Province.The factors included crop varieties and related production techniques, applying amount of chemical fertilizers, total investment of agricultural machinery, natural hazards, agriculture policies and market.Their relations with grain production were also analyzed.The results showed that the first factor leading to the increase of interannual volatility of grain yield was the applying amount of chemical fertilizers; the second one was effective irrigation area, and the third one was grain cultivation area.Drought hazard was the main factor decreasing grain yield.Per unit yield was the first factor influencing total grain yield of Shandong Province.The hazard rate of farmlands had obvious effects on total grain yield, and they showed apparently negative correlativity.

关键词： Shandong Province Grain yield Influencing factor, Natural hazards Food security

作者: ZHANG Xiaoyan WANG Lili WANG Lei LIU Bingfu ZHENG Jiye ZHAO Jia RUAN Huaijun

作者单位: S & T Information Engineering Research Center, Shandong Academy of Agricultural Sciences,Jinan 250100, China

会议类型: 国际会议

会议名称: 2013 World Agricultural Outlook Conference(2013世界农业展望大会)

会议地点: 北京

会议语种:英文

页码: 403-411

在线出版日期: 2013-06-06（万方平台首次上网日期，不代表论文的发表时间）