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桂花是深受人们喜爱的观赏植物,花期的预报对桂花的观赏具有重要的意义。利用近15年的始花期观测资料,分析桂林市桂花开放的农业气象条件。分析发现,地面温度、湿度、降水、日照对桂花开花期都有明显影响;影响桂花开花的农业气象原因很复杂,在进行花期预报时,需要综合考虑前期的天气条件及未来的天气变化,采用长期预报短期预报相结合的方法发布桂花花期预报。
Sweet-scented osmanthus is an ornamental plant favored by the people. The forecast of flowering period is of great significance to ornamental sweet-scented osmanthus. The past 15 years of flowering period observation data were used to analyze the agro-meteorological conditions of osmanthus opening in Guilin. The analysis shows that the ground temperature, humidity, precipitation and sunshine have a significant impact on the flowering period of Osmanthus fragrans. The causes of the agroforestry that affects the flowering of Osmanthus fragrans are very complicated. When forecasting the flowering period, the weather conditions in the previous period and the future weather changes need to be taken into consideration. Long-term forecast combined with short-term forecast released sweet-scented osmanthus flow forecast.