picea

The Effect of Crystallinity Index on Vibration Properties of Picea Wood

结晶度对云杉属木材声振动特性参数的影响

Relationship between Picea genera Wood Density and Sound Characteristic Parameters

云杉属木材密度与声学特性参数之间关系的研究

Study on the Model of growth in year of picea crassifolia

青海云杉连年生长模型的分析

This article study artificial forest of Picea koraiensis about 18 old years .

以18年生的红皮云杉人工林为研究对象，着重研究其冠层表面的光能分布；

The Ecological Characteristics and Introduction Research on Picea Mongolica in Inner Mongolia

沙地云杉生态学特性及引种研究

Ecological field theory application to regeneration of Picea mongolica

生态场理论在沙地云杉种群更新中的应用

Investigation of Vertical Structure of Insect Community in Picea crassifolia Forest

青海云杉林昆虫群落垂直结构研究

Soil enzymes activities and soil nutrient of Picea and Abies forest

云冷杉林土壤酶活性与土壤养分的研究

Study on the influence of main associated tree species on growth of Picea koraiensis seedlings

主要伴生树种对云杉幼苗生长影响的研究

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

Species Composition and Vertical Distribution of Soil Seed Bank in Picea schrenkiana Forest

天山云杉林土壤种子库物种组成及其垂直空间分布

Study on the cuttage technique of green branch for Picea koraiensis

颜色文化&绿色（英文）红皮云杉嫩枝扦插繁殖技术的研究

Study on Soil Seed Bank of Picea Schrenkiana Forest

天山云杉林土壤种子库研究

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

Discussion on Genetic Parameter Estimate about the Selection of Three Compare Tree in Tianshan Picea

天山云杉优势木对比法选优中有关遗传参数的估算方法的探讨

Soil water characteristics in Picea crassifolia forestry lands in Qilian Mountains

祁连山青海云杉林地土壤水分特征研究

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

Study on the Relationships between Longitude and Radial Sound Vibration Parameters of Genus Picea

云杉属木材纵向和径向声振动特性参数关系的研究

Comparison of Different Methods for Extraction of Gross DNA of Three Ecotypes Picea mongolica

不同方法提取三种生态型沙地云杉总DNA的比较

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的森林生态系统类型。

A Study on Carbon Balance of Picea crassifolia in Qilian Mountains

祁连山青海云杉林碳平衡研究

A study on the genetic stability of Picea koraiensis and the optimal provenance selection

红皮云杉遗传稳定性的研究及最佳种源选择

State of Development of Clonal Forestry of Picea asperata in the World

世界云杉无性系林业发展现状

Study on Physical Characteristics of Soil Moisture of Picea crassifolia Plantation in Loess Plateau Region

黄土高原寒区青海云杉人工林地土壤水分物理特性研究

On Diameter Structure Distribution Models for Picea koraiensis Plantations

红皮云杉人工林直径结构分布模型的研究

Study on the age effect of cutting propagation of Picea crassifolia and its rooting mechanism

青海云杉扦插的年龄效应及其生根机理研究

Analysis on DGPS Positioning Accuracy in Natural Secondary Forests of Picea crassifolia

青海云杉天然次生林区DGPS定位精度分析

Breeding techniques and annual growth rhythm of Picea mongolica seedlings

沙地云杉育苗技术及苗木年生长规律研究

Seeking relationship between vegetation and Picea pollen in surface soils of Xinjiang , northwestern China

新疆表土中云杉花粉与植被的关系

Studies of the Withered and Fallen Substances in Man-made Picea Forest

云杉人工林凋落物研究