论文部分内容阅读
一、籼稻减产较多稻谷总产九连增后首降2013年7~8月份,我国南方高温干旱叠加,不利天气影响较上年和常年偏大,其中长江中下游地区尤为突出。江南、江淮、江汉和重庆、贵州等地大于等于35℃高温日数达30~49天,极端最高气温和高温日数屡破历史记录。截至8月21日,江南平均高温日数为33天,江淮江汉29天,均为1961年以来最高;重庆32
First, the more yield-cut indica rice paddy output dropped after nine consecutive July 2013 7 months, the superposition of high temperature and drought in southern China, unfavorable weather impact larger than the previous year and perennial, of which the middle and lower reaches of the Yangtze River is particularly prominent. Jiangnan, JAC, Jianghan and Chongqing, Guizhou and other places greater than or equal to 35 ℃ high temperature days up to 30 to 49 days, extreme maximum temperature and high temperature days repeatedly broken historical records. As of August 21, the average number of high-temperature days in Jiangnan was 33 days and that of JAC-Jianghan was 29 days, the highest since 1961; Chongqing 32