查询词典 slash pine

Contrary,the dry weight of the Slash Pine leat and stem increased.So,it is obvious that the more phosphorus in the soil,the lower

产物向叶片和茎部转移。3个树种的共同特点是：在营养亏缺状态下，苗木根冠比的提高实际上反应了苗木

Was origin in east-south of USA, it is an excellent tree species because of strongly adjustability and growth fast in the nonage. Slash pine has planted 70 years in China; it is one of the most important tree species in the south China.

原产美国东南部，是一种前期生长迅速，适应性强的优良树种，中国引种栽培已有70a历史，是中国南方培育纸浆林、建筑用材林和采脂林的重要树种之一。

Slash pine ; plantation ; management density map

湿地松；人工林；密度管理图

In the study of the variation law of the slash pine,the radial and longitudinalvariation of the wood property indices were studied through a large number of tests,which contain fiber form,ring width,late wood percentage,wood density,shrinkage percentage and so on.

在湿地松木材变异规律的研究中，通过大量的实验工作，深入地研究了纤维形态、年轮宽度、晚材率、木材密度、干缩率等材性指标的径向变异和纵向变异。

C23 of Burkhloderia cepacia was one antagonistic bacteria from Slash pine roots.

洋葱伯克霍尔德菌C23是一株从湿地松根部分离到的拮抗细菌。

The length,width,thickness and weight of the current year and more than one-year-old needles of both bi-needle-cluster and tri-needle-cluster of slash pine were measured to expose the differences in terms of leaf shape and specific leaf area,and leaf area index was estimate based on measurement of the plantation in Qianyanzhou Ecological Station.

对湿地松当年生和多年生两针一束、三针一束叶片的长度、宽度、厚度和重量分别进行量测，据此探讨不同类型叶片的叶形和比叶面积差异，并结合样地调查数据对中科院千烟洲试验站湿地松人工林的叶面积指数进行计算。

A provenance trial has been carried out in eleven replications in southeastern China on slash pine of fifteen seed sources from Alabama, Florida, Georgia, Louisiana, Mississippi and South Carolina of the United States of America.

湿地松是一个有发展前途的速生树种。1982年我们利用从美国国际林木种子公司进口的批量生产的种子进行种源试验。该批种子来自美国6个州的15个产地。通过多地点试验，以了解这批种源的遗传品质，比较不同种源的生长表现与适应能力。

The root number of the slash pine plantation is negative correlative to density of stand; the 4.0 cm diameter roots number is correlative to gross root number, it can be regard as one of trees nutrition standards.

湿地松人工林的根系发达程度与林分密度负相关；4.0cm径级根系数量与根系发达程度正相关，可以作为林分营养水平标准。

Afforestation tree species in south China,including Chinese Fir,Slash Pine and Timor Mahogany were studied in acid soil.

中国林业科学研究院林业研究所国家林业局林木培育重点实验室北京 100091

Based on the test of 23-year and 10-year old slash pine,this papersystematically studied the effect of different thinning intensity and different densityof plantation on the wood qualities and properties.Many statistical means such asanalysis of variance and cluster analysis were used to analyze the difference of thewood qualities and properties among the different silvicultural measures.

本文分别以23年生、10年生的湿地松为实验材料，全面地研究了不同间伐强度、不同种植树密度对人工林湿地松材质材性的影响规律，并利用方差分析、聚类分析等统计手段，定量地分析了不同栽培措施之间材质、材性的差异。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。