gum tree(Eacalyptus)是什么意思

网络释义

用法例句

The apparent achievement of introduction and popularization of eucalyptus in the high altitude localities of Jinggu County;

景谷县高海拔地区桉树引种推广成效显著

The Eco-Economics Problems which China Should Attend in the Process Development Eucalyptus Paper Making;

我国发展桉树纸业应注意的生态经济问题

Manufacturing Technology and Main Properties for Laminated Veneer Lumber of Eucalyptus;

桉树单板层积材的制造工艺和主要性能

A Study on the Extraction of Flavonoid Compounds from Eucalypt;

桉树叶中黄酮类化合物的提取工艺研究

Study on the decision model and its application in the introduction and cultivation of eucalypts in Yong an City;

永安市桉树引种决策模型及其应用研究

Diagnose of physiological disease of eucalyptus and its control;

桉树生理性病害的诊断和防治研究

Hunan Province in warm subtropical is a suitable place for Eucalypts introduction.

湖南地处中亚热带,是桉树的适宜引种区,但由于地处内陆和东、南、西三面环山向北敞口的地貌,冬季的低温和夏季的酷暑都比同纬度的其它地区严重,桉树引种的首要目标是获得能适应这种高强度年温差的种类。

The growth performance and wind resistance of 2 kinds of eucalypts (Eucalyptus urophylla and E.

对尾叶桉和雷林１号桉与厚荚相思的两种混交方式混交林的生长、抗风力进行了研究，结果表明：以桉树为主要目的树种的混交林，所选用桉树的生长量大于相思时，其增产效应显著，尾叶桉与厚荚相思带状混交能明显提高尾叶桉的生长量，以４行带效果最好，适宜在风害不严重的地区采用。

Study on the Control of Buzura suppressaria Guenee in Eucalyptus spp.by pesticide——Ⅱ.Toxicity determinations of biopesticide to Larvae of Buzura Suppressaria Guenee in Eucalyptus spp;

桉树害虫油桐尺蛾药剂防治研究——Ⅱ.生物药剂对桉树害虫油桐尺蛾幼虫的毒力测定

Experiment of Controlling Red Leaf Dieback on Eucalyptus spp.;

桉树红叶枯梢病的防治试验

Effect of Fertilization on Young Growth of Eucalyptus spp.;

施肥对桉树幼林生长量的影响

Induction of Systemically Acquired Resistance by Phenolic Acids against Bacterial Wilt in Eucalyptus urophylla;

芳香酸诱导桉树抗青枯病研究

The experiments of hothouse inoculation with the two fungi were designed to determine effects on growth of Eucalyptus urophylla saplings.

)X孔窝无梗囊霉 (AcaulosporafoveataTrappe&Janes) ],苗期菌根接种效应统计分析表明 ,桉树接种菌根菌能显著促进苗木的生长和生物量的积累。

The experiment of dual inoculation with ectomycorrhizal and endomycorrhizal fungi were designed to determine effects on physiology of \$Eucalyptus urophylla\$ saplings.

在苗圃接种试验基础上 ,对桉树植株营养吸收生理、根系活力进行了研究 ,根系显微观察表明 ,真菌组合在桉树根系上形成了混合菌根 ,即 :PG[彩色豆马勃 (Pisolithus tinctoriux ) X苏格兰球囊霉 (Glomus caledonium ) ]。