According to the biologic characteristic of the longan and the data of yield and climate during its growth , by the methods of parallel analysis and mathematical statistic , it is studied in this paper the key stages and key climate factors that affect longan yield in guangxi region 摘要根據(jù)龍眼生物學(xué)特性、產(chǎn)量和氣候資料,通過平行分析和數(shù)理統(tǒng)計(jì)方法,對氣候條件影響廣西地區(qū)龍眼產(chǎn)量的關(guān)鍵時(shí)期和關(guān)鍵因子進(jìn)行了研究。