The Change of Precipitation During the Recent 40 Years and Its Influences on Climatic Productivity in China
我国近40年降水的变化及对气候生产力的影响

Features of space-time variation of precipitation during the recent 40 years in China and its influences on plant climatic productivity were analysed based on the data from 350 meteorological stations evenly distributed all over China from 1951 to 1990.The results show that rainfall significantly changes with time and region,and its influence on crop yield is becoming smaller.