picea造句

Introduction techniques of Picea abies and Betula pubescens
挪威云杉和柔毛桦引进技术的探讨

Studies on the Photosynthesis and Transpiration of Saplings of Picea likiangensis and Abies georgei under Canopy and in A Cutting Blank
林内和迹地云冷杉幼树光合和蒸腾特性的研究

Studies on anatomical structure of stem and formation of the adventitious root of cutting of Picea koraiensis.
红皮云杉茎的解剖结构与插条不定根形成的研究

Karyotype analysis of four species in picea pinaceae
四种云杉的核型分析

The survival rate gets higher when the coat is applied to picea asperata mast.
使用该材料后云杉树苗成活率得以大幅度提高。

Dynamics of biomass and stem volume of Picea asperata stands in artificial restoration process of subalpine coniferous forest
亚高叶针叶林人工恢复过程中生物量和材积动态研究

This is the spruce Gran Picea, which at 9, 548 years is a mere babe in the woods.
它叫格兰云杉 9550年前，它只是树林中的一株幼苗。

The community structure was basically reasonable and Picea classifolia population was a steady one.
群落结构基本合理，青海云杉呈稳定型种群。

Advances in Genetic Improvement of Spruce in Abroad and Breeding Strategies of Picea asperata Mast.
国外云杉遗传改良现状和粗枝云杉育种策略。

It mainly attacks Picea jezoensis and causes a white rot of root and butt.
该病主要发生于成熟林分，造成干基特别是根部腐朽。

Induction Technique of Picea koraiensis Nakai Embryogenic Callus
红皮云杉胚性愈伤组织诱导技术研究

A Study of Interception of Picea Crassifolia Based on Different Canopy Closure
基于不同郁闭度的青海云杉冠层截留特征研究

needle cast ofLophodermium piceae.
云杉落针病

Chemical Control Technique for Seed Pest in Picea crassifolia kom.
青海云杉种实害虫化学防治技术。

Effects of Variance Coefficient of Growth Ring Width on Sound Vibration Parameters of Picea Wood
云杉属木材生长轮宽度变异系数对声振动参数的影响

The cultivation techniques of greening seedlings of Picea sp. On cutting lands of larch
落叶松采伐迹地培育云杉绿化大苗技术

Study on cycle Thinning of Picea koraiensis plantation
红皮云杉人工林抚育间伐周期的研究

Rotation of picea asperata for pulpwood was tentatively determined as 25 year.
初步认为云杉纸浆材培育周期为25年。

Disturbance reconstruction of Picea purpurea Mast. Stand in Maixiu, Qinhai Province.
青海麦秀林场紫果云杉次生林的干扰重建。

Population Diversity of Parental Feature of Picea koraiensis
红皮云杉亲代特征群体的多样性

Structure and dynamics of Picea mongolica population on sud dune.
沙地云杉种群结构与动态的研究

Ecosystem made of Picea mongolica is a special sandy forest ecosystem in China.
沙地云杉林是陆地上非常特殊得森林生态系统类型。

Methodology Research on Effective Extraction and Purification of Shikimic Acid from Picea Meyeri
白扦中莽草酸高效提取纯化的工艺研究

Scanning Electron Microscopic Observation of needles Leaves in Picea
云杉针叶的扫描电镜观察

The impact of Picea koraiensis plantation productivity factor analysis
影响红皮云杉人工林生产力的因素分析