关键词: 气候变暖, 水稻生育期, 栽培管理对策

Abstract: By analyzing climate data in recent 50 years and the change of main growth periods of rice in recent 20 years in Chaozhou,the results showed that the temperature had risen gradually since 1980s in Chaozhou,the temperatures in spring and autumn had increased significantly,low temperature and rainy days in spring,cold dews wind weather decreased significantly in autumn.The high temperature days increased significantly in summer.Consequently the accumulated temperature during rice growth stages increased,and each growth stage of rice became earlier,particularly since 2001.Relative analysis on each growth stage of rice and temperature,the results showed that each periods of early rice was significantly negatively correlated with temperature,late rice was positively correlated with temperature but it was not significant.For most growth stages of early rice,it had good correlation with the average temperature since sowing time.Moreover,the countermeasures of rice planting management were put forward to adapt to climate change,which could provided a reference to increase rice yield and quality as well as farmers income.

Key words: Climate warming, Growth stages of rice, Countermeasures of cultivation management