broadleaved tree species是什么意思

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用法例句

The gas exchange and chlorophyll fluorescence parameters in leaves of eight broadleaved tree species including Magnolia liliflora Desr.

在自然条件下,测定了8种阔叶树种叶片的气体交换参数和叶绿素荧光参数并对其进行比较。

The results showed that the growth differences of various broadleaved tree species were great at the early stage,the early growth of Choerospondias axillaris and Betula luminifera was fastest,that of Michelia macclurei,Liriodendron chinense,Manglietia yuyuanensis,Liquidambar formosana, and Castanopsis fargesii came second,that of Tsoongiodendron odorum,C.

利用设置在福建省建瓯市的闽北乡土阔叶树种试验示范林测定材料 ,研究其早期生长表现差异、对立地的反应敏感性及与立地互作等。

The results show that there is an evident difference between stand growth of various broadleaved tree species,which shows as Choerospondias axillaris>Liriodendron chinense>hybrid L.

对不同阔叶树种和不同混交林模式的林分生长状况进行测定 ,结果表明 :不同阔叶树种的林分生长存在明显差异 ,表现为南酸枣 >马褂木 >杂种马褂木 >桤木 >观光木 >木荷。

Photosynthetic characteristics of three broad-leaved tree species in the Horqin Sandland including Acer negundo Linn.

在自然条件下,利用LI-6400型便携式光合作用测定系统测定了科尔沁沙地3个阔叶树种复叶槭、紫叶矮樱和紫叶稠李的光合参数,研究各树种水分利用效率特征。

The experiments of nursery medium of five broad-leaved tree species namely Cercidiphyllum japonicum,Acer prolificum,Zelkova schneideriana,Pterocarya stenoptera and Alnus cremastogyne cv.

在昆明树木园所进行的连香树、多果槭、榉树、枫杨和川滇桤木等5个乡土绿化阔叶树种不同育苗基质的当年育苗效应试验的结果表明:在其当年生苗木的苗高、地径和冠幅3个性状上,与对照红壤育苗基质相比,不同育苗基质对此5个乡土绿化阔叶树种当年生苗木的苗高、地径和冠幅生长的作用不一,红壤4+福贝菌2育苗基质(处理A)和(复合肥2 kg+钙镁磷肥2 kg)/100 kg红壤育苗基质(处理C)对5个乡土绿化阔叶树种当年生苗木的生长均具有促进作用,对连香树、多果槭、榉树和川滇桤木等4个阔叶树种的当年生苗木生长具较佳促进作用的育苗基质是处理A,其连香树当年生苗木的苗高、地径和冠幅分别比对照高34。

Annual growth rhythm of one year seedlings of 11 precious hardwood species was studied and the seedling height growth patterns were simulated with logistic curve in the year 2002 at Jian city, Jiangxi province.

以井冈山槠、黄山栾树、金叶含笑、石笔木、青榨槭、五角枫、青冈、无患子、山杜英、东京野茉莉和观光木等11个亚热带优良阔叶树种为对象 ,研究了 11个树种的年苗高生长规律 ,并用Logistic方程拟合了 11个树种的苗高生长模型。

The planting trials on eight hardwood species were carried out.

对米槠等8个阔叶树种进行造林试验,结果表明:参试树种3年生树高存在极显著差异,以闽粤栲和米槠最好,与杉木相当,达2 5m左右,其次为拉氏栲和木荚红豆树;8年生幼林材积生长量也以米槠(44 8m3·hm-2)和闽粤栲(42 2m3·hm-2)为最好,其次是丝栗栲(28 7m3·hm-2)和拉氏栲(28 1m3·hm-2)。

Seedlings of five hardwood species had been exposed to a simulated acid rain at pH values of 2.

０和ｃｋ）的模拟酸雨对５种阔叶树种的一年生幼苗进行了一个生长季的喷洒试验，结果发现，ｐＨ２。

Chlorophyll fluorescence characteristics of some coniferous and deciduous tree species under different irradiance.;

几种针阔叶树种不同光照强度下叶绿素荧光特性的研究

The leaves of evergreen broadleaved tree species Ilex rotunda, Machilus thunbergii, Pittosporum tobira and deciduous broadleaved tree species Celtis sinensis, Ginkgo biloba, Cornus florida were collected from the time of full leaf expansion to the end of growing season.

从叶完全展开到生长季结束对常绿阔叶树种铁冬青、红楠和海桐及落叶阔叶树种日本朴、银杏和木叶的N和P浓度进行了定期测定。

Use of Pilodyn tester for estimating basic density in standing trees of hardwood plantation;

Pilodyn方法评估阔叶树种人工林立木的基本密度

The results indicated that the average water consumption rate of broadleaf trees was more than conifer trees.

结果表明,针叶树种耗水速率低于阔叶树种。

Comparison of Litter Decomposition of Six Species of Coniferous and Broad-leaved Trees in Subtropical China

亚热带6种针叶和阔叶树种凋落叶分解比较

Present Situation and Development of Indigenous Broadleaf Species in Yunnan Hot Areas

云南热区乡土阔叶树种的现状及发展

Comparison of the early growth of 23 broad-leaved tree species in Western Guangdong Province

粤西地区23个阔叶树种早期生长比较

There were 34 succession species, 9 deminant, mostly deciduous broad-leaf species.

更新树种共计34种，占优势的仅9种，且多为落叶阔叶树种。

Study on Freezing Resistance of Introduced Evergreen Broad-leaved Trees in Nanjing;

南京地区引种常绿阔叶树种的抗寒性研究

The Study on the Chilling Resistance Physiology of 3 Broad-Leaved Evergreens in Lauraceae;

樟科三种常绿阔叶树种抗寒生理的研究

Primary Research on the Effect of Light Intensity on Five Evergreen Broad-leaved Seedlings

光照强度对5种常绿阔叶树种幼苗影响的研究

Selection and Application of Ornamen-tal Evergreen Broadleaf Trees and Shrubs in Shandong Region

山东园林中常绿阔叶树种的选择和应用

This paper deals with the application prospect of ev-ergreen broadleaf trees in gardens of Shandong province.

探讨常绿阔叶树种在山东园林中的应用前景。

Present Situation and Future Prospect of Study on Indigenous Broadleaf Species in South China

南方城市乡土阔叶树种研究现状及展望

FUZZY CLUSTER ANALYSIS OF ECOLOGICAL GROUPS OF PRECIOUS DECIDUOUS TREES IN MOUNTAINS OF EAST LIAONING

辽宁东部山区珍贵阔叶树种生态组的聚类分析

Study on Early Growth Performance of 11 Local Broadleaf Species in West of Guangdong

11个阔叶树种在粤西地区的早期生长表现

Current Situation of Guangxi Indigenous Broadleaf Species Resource and Their Development Counter-measures

广西乡土阔叶树种资源现状及其发展对策

Total Project on Seeds of Garden of Broadleaf Forest in Forestry Bureau of Baishishan in Jilin Province

吉林省白石山林业局阔叶树种子园总体设计

The Present Studing Condition and Develop-studing Direction of Broadleaf Trees of Jiangxi Province

阔叶树种的研究现状与江西研究的发展方向

The Choice of Coniferous and Broadleaf Tree for Agro-forestry Ecological System on Taihang Mountain

太行山农林复合生态系统中针阔叶树种的选择

Among of them, arbor species are 35 altogether 7879 trees(the needleleaf are 8 kinds and 1556 trees; the broadleaf are 27kinds and 6323 trees. They make up 19.7 and 80.3 per cent of the total number, respectively);

阔叶树27种6323株,占80.3%;