环境条件、基质配方和播种方法对糖胶树苗木生长影响
Influences of Environmental Condition , Matrix Formula and Method of Sowing on the Growth of Alstonia scholaris Seedlings
有些乳胶天然存在于植物的细胞中,如糖胶树胶树和橡胶树。
Some latexes occur naturally in the cells of plants such as chicle and rubber trees .