天然林 meaning in English

natural forests

Seed crops are collected from both natural stands and plantations which may have been culled to form seed stands .
种子采自天然林和人工林，两者都可能是经过去劣留优作为母树林的。
Conservation techniques of natural forests in hebei forestry bureau
谈鹤北林业局重点天然林保护技术
In general , soil moisture condition is better for the former
总的来说，天然林地土壤水分条件优于人工林地。
Natural forest protection : an overview abroad and a review at home
国外天然林保护概况及我国天然林保护的进展与对策
Application of participatory tools in the natural forest protection program
参与式工具在天然林资源保护工程中的应用

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