广州郊区是广州市荔枝主产区之一。然而历年来荔枝产量波动大,大小年明显。造成荔枝大小年的原因很多,除与荔枝品种特性、栽培管理水平、土壤条件等有关外,尤其与气象条件有密切的关系。为了进一步弄清荔枝生育与气象条件的关系,本文采用广州市统计局提供的广州郊区历年荔枝产量(亩产)及广州市气象站观测的历年气象资 Guangzhou suburbs is one of the main producing areas of Guangzhou litchi. However, litchi production over the years fluctuations in size and size significantly. Litchi size of the year caused by many reasons, in addition to litchi variety characteristics, cultivation and management level, soil conditions, etc., especially with the weather conditions are closely related. In order to further understand the relationship between lychee growth and meteorological conditions, this paper uses the calendar year litchi output (mu) produced by Guangzhou Bureau of Statistics and the historical meteorological data observed by Guangzhou Meteorological Station