pinus
- 网络松树;松属
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The study implies that Pinus pollen percentages are more than 30 % where pine trees exist in the surrounding vegetation .
研究表明,只有当松属花粉百分比高于30%时,当地才可能有松树存在。
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Observation on the microstructure of the pollen grains of pinus & discussion for the taxonomy position of P NUS bungeana
松属花粉的显微结构观察&对白皮松分类位置的探讨
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Effect of Different Site on Wood Quality of Pinus koraiensis Plantation
地理位置对人工红松林木材材质变异的影响
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Preliminary Report of Study for Grafting Plant Breeding of Pinus Massoniana
马尾松嫁接苗培育研究初报
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Study on Cone Initiation and Development and Opening in Pinus Massoniana
马尾松雌雄球果发生发育及球果开裂研究
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Preliminary Report on the Cultural Technique Experiment of igh Yield Economy of Pinus
马尾松丰产经济栽培技术试验初报
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Analysis on Growth of Young Pinus massoniana with Provenance Test
马尾松种源试验幼林期生长分析
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Regional Cultural Experiment of a Variety of Pinus massoniana in Fujian Province
福建省桐棉松区域栽培试验
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Experimental Study of Pinus massoniana Container Seedling Growth Course with Light Type of Substrate
轻型基质马尾松容器苗生长进程试验研究
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Study on the Introduce of Eight Pinus species
松属8个树种的引种研究
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Analysis of the Stand Spatial Structure of Pinus massoniana-Broadleaved Mixed Forest
松阔混交林林分空间结构分析
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CULTIVATION AND DEVELOPMENT OF Pinus koraiensis PLANTATION Discuss on forest intensive management
红松人工林的培育试论森林集约经营
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Effects of different treatments on seedling growth of Pinus koraiensis
不同处理对红松苗木生长影响的研究
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Study on Soil Organic Carbon Densities of Artificial Pinus massoniana in Sichuan Province
四川省马尾松人工林土壤有机碳密度研究
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The Genetic Test For Progeny High Growth of Pinus koraiensis Plus Tree
红松优树子代树高生长的遗传测定
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Study on the stem form of Pinus massoniana and estimation of Standing Volume
马尾松树干干形及材积估测的研究
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Study on the Surface Strengthening Technique of Fast-growing Pinus massoniana Lumber
马尾松速生材的表面强化工艺观察
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Quantitative evaluation on the influence of environmental factors on timber production of Pinus tabulaeformis
环境因素对油松林木材生产影响的定量评价
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Analysis on Economic Performance of Pinus massoniana Forest for Pulpwood with Different Cultivation Technique
马尾松纸浆用材林不同培育技术措施经济效益分析
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RAPD analysis on genetic diversity of natural populations of Pinus koraiensis
天然红松群体遗传多样性的RAPD分析
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Study on the response of Pinus massoniana seedling to aluminum
铝对马尾松幼苗影响的研究
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Growth of High-yield Forest of Pinus massoniana and Evaluation of Technical and Economic Efficiency
马尾松丰产林生长和技术经济效果评价
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Probe into the Density Effect of the Stand Biomass of Pinus massoniana
马尾松林分生物量的密度效应探讨
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A preliminary study on the seed division of Pinus yunnanensis
云南松种子区划的初步研究
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Correlative analysis between the factors and oleoresin output of pinus massoniana
马尾松采脂量的相关因子分析
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The Preliminary Discussion on Economic Maturation Age of Pinus massoniana in Guangdong Province
广东省马尾松经济成熟龄的初探
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A Study on Establishment of Optimized Stand Trees Volume Table of Pinus elliottii
湿地松优化立木材积表的编制
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A study on the impacts of climate change on the distribution of Pinus tabulaeformis in China
气候变化对油松地理分布影响的研究
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A Comparison Study on the Community Structure between Artificial and Natural Forests of Pinus yunnanensis
云南松人工林与天然林群落结构的比较研究
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A Study on Different Methods of Cutting Plant Culture and the Effect of Plant Youth of Pinus massoniana
马尾松不同方法扦插育苗及幼化效果研究