By using the full and accurate meteorological data,the changes of major meteorological factors in the half century during 1950-2008 in Xuzhou were analyzed.The results showed that the rainfall increased 23% in summer,...By using the full and accurate meteorological data,the changes of major meteorological factors in the half century during 1950-2008 in Xuzhou were analyzed.The results showed that the rainfall increased 23% in summer,and the temperature in winter,spring respectively rose by 1.9 and 2.5 ℃.It illustrated that the climate in Xuzhou had the obvious change.The more rainfall in summer caused that the flood disaster aggravated,and autumn maturing dry crops severely reduced the yield.The warming in winter caused that the wheat grew luxuriantly,and the frost resistance declined.In spring,the premature senility was easy to happen,which affected the high and stable yield.All of these directly affected the food security and peasant increase income.By the change of wheat suitable sowing date and contrasting,analyzing on the yields of paddy rice,dry crops,the necessity of adjusting the crops variety,sowing date and layout was demonstrated.The measures which answered the climate change were given,and the huge economic benefits which were brought by these measures were also analyzed.展开更多
文摘By using the full and accurate meteorological data,the changes of major meteorological factors in the half century during 1950-2008 in Xuzhou were analyzed.The results showed that the rainfall increased 23% in summer,and the temperature in winter,spring respectively rose by 1.9 and 2.5 ℃.It illustrated that the climate in Xuzhou had the obvious change.The more rainfall in summer caused that the flood disaster aggravated,and autumn maturing dry crops severely reduced the yield.The warming in winter caused that the wheat grew luxuriantly,and the frost resistance declined.In spring,the premature senility was easy to happen,which affected the high and stable yield.All of these directly affected the food security and peasant increase income.By the change of wheat suitable sowing date and contrasting,analyzing on the yields of paddy rice,dry crops,the necessity of adjusting the crops variety,sowing date and layout was demonstrated.The measures which answered the climate change were given,and the huge economic benefits which were brought by these measures were also analyzed.
