| In order to adapt climate change,tend towards advantage and avoid harm,make the best use of climate resource,and provide good service for local maize production,this article analyzed the observation data of maize from Xifeng agri-meteorological experimental station during recent 16 years and meteorological observation data from Xifeng national benchmark weather station during recent 35 years using statistic method.The result showed that climate warming made maize period shorten in the east of Gansu Province,the main growth period(seeding,jointing,blooming,milk mature and mature) advanced compared with the past years,the largest advance was in milk mature and mature period.Temperature was too high,heat increased,rainfall distributed no-proportionally,precipitation and sunlight hours during maize growth decreased year after year,the climate change affected much seeding and blooming to mature period of maize.The traditional sowing period was not suitable for maize production under the new climate condition.If maize sowing date is 5～10 d earlier,the critical grow period,such as the sowing to seeding and jointing to heading period,can avoid spring drought and summer drought.That is favorable for increase maize yield. |