江西省寒露风的时空分布与预防措施

THE CHARACTERS OF SPACE-TIME DISTRIBUTIONOF COOL-WIND IN "COOL DEW" PERIODAND ITS PROTECTIONS IN JIANGXI PROVINCE

This paper studies the characters of space-time distribution of the datesand the persitences of Cool-Wind in "Cool Dew" period. Generally, the dates andthe persitences in mountainous district and the north and earlier and longer than inplain, basin and the south. The relationships between the begining dates and thepersitences of Cool-Wind in "Cool Dew" period are close. The interannual variations of Cool-Wind in "Cool Dew" period have the character of periodicity. In thispaper, the author prosents some detail protections, such as grasping safe seedingand growing time, rational arranging bneeds of second crop of rice, spreading goodplanting measures, rational using the getting warm again after Cool-Wind and soon.