Guizhouis the last home to some ancient plant species that survived the last ice age, such as the Chinese dove tree, spinulose tree ferns and Taiwania Flousiana Gaussen.

贵州是珙桐、桫椤、秃杉等古生物种最后的家园。新生代第四纪全球性冰川气候席卷全球时，它们在这里躲过了灭顶之灾，成为“动植物的活化石”。

youdao

The density of Taiwania flousiana plantation should be adjusted to accelerate the growth of undergrowth vegetation, thus improving soil physical and chemical properties and increasing soil fertility.

秃杉人工林生长过程中要经常调整密度以促进林下植被生长，从而改善土壤理化状况，提高土壤肥力。

youdao