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(jìn)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(xué)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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