1.
Comparative study on the growth of different age of Larix kaempferi and Larix principis-rupprechtii
不同林龄日本落叶松与华北落叶松生长的比较
2.
Study on Effects of Tending Thinning of Larix Principis-rupprechtii Mayr. Plantation;
华北落叶松人工林抚育间伐效果研究
3.
Survey Research on the Gap Regeneration of Larix Principis-rupprechtii Mayr Forester in Guandi Mountain
关帝山华北落叶松林隙更新调查研究
4.
Hydrological Characteristics of Larix Principi-rupprechtii Litter in the South Mountainous Area of Ningxia Hui Autonomous Region
宁南山区华北落叶松林枯落物水文特征研究
5.
Study on the Change Law of Larix Principis-rupprechtii Transpiration in the North of LiuPanshan Mountains;
六盘山北侧华北落叶松蒸腾变化规律研究
6.
Analysis on Water Conservation Function of Larix Principis-rupprechtii Man-made Forest in North Mountain of Hebei Province
冀北山地华北落叶松人工林水源涵养功能分析
7.
Studies on the Effect of Heat Stress on Profective Matters in Leaves of Larix Principis Rupprechtii and Pinus Tabulaeformis Carr;
热胁迫对华北落叶松、油松针叶保护性物质影响的研究
8.
Seed zones of Chinese forest trees--Seed zones of Larix principis-rupprechtii Mayr.
GB/T8822.10-1988中国林木种子区华北落叶松种子区
9.
The Study on Nutrient Elements Ferment Activity and Anti-adverse Circumstance of Larix Principis-rupprechtii;
华北落叶松营养元素及酶活性与抗逆性研究
10.
Study on Biomass Carbon Accounting Factors of Larix Principis-rupprechtii Plantation;
华北落叶松人工林生物量碳计量参数研究
11.
Canopy Gap Characteristic and Its Effects of Larix Principis-rupprechtii Plantation in Yanshan Mountain;
燕山山地华北落叶松人工林林隙特征及其影响
12.
A Study on Community Biomass and Standing Woodweight Form of the Natural Conifer Forest Dominated by Larix Principis-rupprechtii;
庞泉沟自然保护区华北落叶松林生物量研究
13.
Study on Larix Principis-rupprechtii Population Natural Regeneration Pattern in Clearing Strip;
采伐迹地华北落叶松种群自然更新格局研究
14.
Studies on Seedling Root Dynamics of Larix Principis-rupprechtii Mayr. and Its Effecting Factors;
华北落叶松幼苗根系动态及其影响因素研究
15.
The Factor Analysis and Countermeasures to Low Seed-production in Seed-orchard of Huabei Larch;
华北落叶松种子园种子低产的因素分析与对策
16.
Studies on Hardiness and Mechanism of Copper and Zinc Element to Larincipics-rupprechtii;
铜、锌元素对华北落叶松体内保护酶活性的影响
17.
Studies on Pollen-Ovule Reaction before Fertilization of Larix Principis-rupprechtii Mayr.;
华北落叶松受精前花粉与胚珠相互作用的研究
18.
Study on the Nutrient Element of Copper Zinc and Ferment Activity with the Resistant Ability of Larix Principis-rupprechtii;
铜锌元素及酶活性与华北落叶松抗逆性的研究