二十四节气是我国劳动人民在长期生产实践中,对四季变化及其转换规律的科学总结。物候是指动植物的生长发育、活动规律与非生物的变化对节气的反映。成刘胜同志根据实践撰写的《节气·物候·果桑农事》,本刊将分期刊登,供读者朋友参考。编者 Twenty-four solar terms is a scientific summary of the four seasons change and its conversion law in the long-term production practice of our working people. Phenology refers to the growth and development of animals and plants, activity patterns and abiotic changes reflect the solar terms. According to Comrade Liu Sheng’s “Solar Terms of Climate, Fruit and Fruit Farming”, this issue will be published in phases for your reference. editor