本省象山县1973年从福建引种木麻黄20株,栽种于象山县高塘盐场,到1983年底,树高达8～9米,胸径达12—14厘米,并于1981年开始开花结果,取得引种木麻黄的可喜成绩。在此期间虽出现过-7.5℃的低温天气,但未受冻害,表现出木麻黄随着不断北移抗寒能力逐渐提高。 Xiangshan County, Fujian Province in 1973 from the introduction of 20 copies of Casuarina, planted in Xiangshan County Gaotang saltworks, by the end of 1983, the tree up to 8 to 9 meters, the diameter of 12-14 cm, and began in 1981 flowering results, access to the introduction of wood Ephedra gratifying grades. Although cold weather of -7.5 ℃ occurred during this period, it was not affected by frost damage, showing that Casuarina gradually increased its capability of cold resistance as it continued to move northward.