1.
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
2.
Analysis on the seed effect in heavy thinning of Larix principis-rupprechtii seed orchard
华北落叶松种子园强度疏伐对结实效果的分析
3.
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
4.
Effect of Ca2+ and Salicylic Acid on Germination of Seeds of Larix principis-rupprechtii
Ca~(2+)和水杨酸对华北落叶松种子萌发的影响
5.
Species-specific Identification of Larix Gmeline, L.olgensis and L.principis-rupprechtii by RAPD and ISSR Marker;
兴安、长白及华北落叶松RAPD和ISSR分子标记的物种特异性鉴定
6.
Study on Prevention and Cure of Ganoderma Lucidum of Larix and Pinus Koraiensis;
种子园落叶松、红松根朽病综合防治技术的研究
7.
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
8.
Study on the distribution characteristics of three mushrooms under Larix principis-rupprechtii plantations
华北落叶松人工林下三种蘑菇的分布特征
9.
Study on Effect of the Climatic Factors on the Increment of Larix Princiois-rupprechtii
气象因子对华北落叶松生长量影响研究
10.
Correlated analysis between the growth of Larix principis-rupprechtii and climatic factors in Saihanba Nature Reserve,northern Hebei Province
塞罕坝华北落叶松生长与气候因子的相关分析
11.
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
12.
Grey correlation analysis between climatic factors and the growth of Larix principis-rupprechtii and Pinus sylvestris var.mongolica
华北落叶松、樟子松生长与气候因子的关联度分析
13.
Distribution Character of Female & Male Cones of Larix olgensis Seed Orchard
长白落叶松种子园雌、雄球花的分布特性
14.
Study on Mycorrhizae Artificial Synthesis of Pinus Tabulaeformis and Larix Principis-rupprechtii in Daqingshan Mountain;
大青山主要造林树种油松、华北落叶松人工菌根合成的研究
15.
Studies on the Characteristics of Pollination and Seed Quality in Seed Orchard of Japanese Larch;
日本落叶松种子园散粉特性与种子播种品质的研究
16.
Study on Biochemical and Molecular Mechanisms of Larix Leptolepis ×L. Principis-rupprechtii Somatic Embryogenesis;
日本落叶松×华北落叶松体细胞胚胎发生的生化机制和分子机理研究
17.
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
18.
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