undergrowth vegetation

常见例句

The main results as follow:The succession of undergrowth, the type of vegetation and the biodiversity changed with the age of rubber forest.
随着胶林年龄的变化，其林下植被呈现一定的演替规律，植被类型和生物多样性都发生变化。
The undergrowth vegetation biomass in Korean pine plantations declined over years and was less than that of the mixed forest of Korean pine and secondary natural forest at all age stages.
林下植被生物量随林龄增长而降低，所有年龄阶段红松人工林林下植被生物量都低于红松混交林和天然次生林。
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。