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为了选择适合雷州半岛贫瘠立地生长的桉树,我所承担了由桉树科技协作组下达的桉树引种试验项目。现对1年生的试验幼林生长进行调查小结。一、试验地概况试验地处北纬20°55′,东经110°06′,属南亚热带。年平均气温22.9℃,最热月(7月)气温28.5℃,最冷月(1月)气温15.5℃,极端最高气温为38.5℃,极端最低气温3℃,年降水量1711.6mm,年蒸发量1754mm。旱、雨季明显,年平均相对湿度
In order to choose suitable eucalyptus growing in arid areas of Leizhou Peninsula, I undertook the introduction test of eucalyptus introduced by Eucalyptus Science and Technology Collaboration. Now a one-year experimental young forest growth survey summary. I. Overview of the Experiment The experiment is located at 20 ° 55’N and 110 ° 06’E, belonging to the southern subtropics. The annual average temperature of 22.9 ℃, the hottest month (July) temperature of 28.5 ℃, the coldest month (January) temperature of 15.5 ℃, the extreme maximum temperature of 38.5 ℃, the extreme minimum temperature of 3 ℃, the annual rainfall of 1711.6mm, the annual evaporation 1754mm. Drought, obvious rainy season, annual average relative humidity