Picea asperata

基本解釋

The seed rain and soil seed bank of Picea asperata population of Miyaluo primitive subalpine coniferous forest in western Sichuan, China were studied.
對川西米亞羅地區(qū)天然亞高山針葉林云杉種群的種子雨和土壤種子庫進行了研究。
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Based on the data from stem analysis and growth ring measurement, regression models of stem volume with DBH and tree height of 70 years Picea asperata plantation were established.
根據(jù)樹干解析資料，建立了70年人工云杉林的單株材積與胸徑和樹高的數(shù)學模型。
The survival rate gets higher when the coat is applied to picea asperata mast.
使用該材料后云杉樹苗成活率得以大幅度提高；
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