摘要
利用1971—2005年晋南春季的降水和气温资料,采用Z指数和数理统计方法,分析了晋南春旱的特征及成因,探讨了春旱对冬小麦产量的影响。
Based on the spring precipitation and temperature data from 1971 to 2005 in south part of Shanxi Province,this paper analyzes on the features and causes of the spring drought in south part of Shanxi Province by using the Z index and the mathematical statistics method, and probes into the influence of the spring drought on the yield of winter wheat.
出处
《科技情报开发与经济》
2007年第1期180-181,共2页
Sci-Tech Information Development & Economy
关键词
春旱
小麦产量
山西南部
spring drought
wheat yield
south part of Shanxi Province
