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为什么松树冬天不会死
更新时间: 2020-09-19 00:00:00  

1、松树对陆生环境适应性极强,它们可以忍受负60摄氏度的低温或50摄氏度的高温,能在裸露的矿质土壤、砂土、火山灰、钙质土、石灰岩土及由灰化土到红壤的各类土壤中生长,耐干旱、贫瘠,喜阳光,因此是著名的先锋树种;2、松树最明显的特征是叶成针状,常2针、3针或5针一束,如油松、马尾松、黄山松的叶2针一束,白皮松的叶3针一束,红松、华山松、五针松的叶5针一束,这些结构,缩小了蒸腾面积,表皮厚,角质层发达,这些结构能减少蒸腾,适应干旱环境,所以松树终年常绿。

关键词: 为什么 松树 冬天

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