寄主包括10个针叶和阔叶树种;
结果表明,针叶树种耗水速率低于阔叶树种。
The results indicated that the average water consumption rate of broadleaf trees was more than conifer trees.
为增加林带的美学欣赏价值,应该配置非传统的针阔叶树种。
Some species of trees have aesthetic value, such as conifer and rare broad leaved tree.
可以认为南京地区是耐寒常绿阔叶树种引种分布的关键地区。
It can be considered that Nanjing is the key area of introduction and distribution of cold-resistant evergreen broad-leaved species.
拟赤杨是一种生长快,干形直,用途广的优良速生阔叶树种。
Alniphyllum fortunei is a fast growing broadleaf specie, which has straight stem form and can be used for many pur-poses.
南京地区地处亚热带北缘,是一些常绿阔叶树种自然分布的北界。
Nanjing area is the northern boundary of northern subtropical zone where some evergreen broad-leaved species are distributed in.
落叶阔叶树种由于凋落物丰富、分解速率快,而具有显著的自肥能力;
Deciduous broad-leaved trees showed great self-fertilization capacity owing to plenty of litter under than and its rapid decomposition rate.
随着阔叶树种造林比例的增加,阔叶树(蒙古栎)所占面积亦随之增加;
When broadleaved species were planted only, the area percent of coniferous species was lower than the control.
因此,应重视通过调整物种组成,增加阔叶树种比例以增强森林的自肥能力。
Therefore, it should be emphasized to enhance the self - fertilization capability of forest by adjusting the species composition and increasing the proportion of native broad - leaved species.
对南亚热带森林群落恢复标准化示范区23个阔叶树种的早期生长进行了调查与分析。
The early growth of 23 broad-leaved tree species from the south subtropical forest community restoration standardization demonstration area were investigated and analyzed.
阔叶树种在杉阔混交林中具有增氮和调节碳氮比作用,退化点和作用点彼此互为佐证。
The broad leaved tree in mixed forest can add nitrogen and adjust the ration of carbon to nitrogen.
通过对8种常绿阔叶树种和对照种(香樟)的叶结构特征比较,分析它们对光照变化的适应特性。
The adaptation to light of 8 evergreen-broad trees and control tree (Cinnamomum camphora) were analyzed by comparing their leaf structural characteristics.
为提高树种的鉴定效率,本研究基于贵州省主要阔叶树种资料建立了贵州主要阔叶树种自动检索系统。
To improve the identification efficiency, the auto index system of the main broad-leaved trees in Guizhou province was established, which based on the data of the trees.
植被基带群落中,在物种数量、区系成分和重要值方面,常绿和落叶阔叶树种所占的比例都相差无几。
Evergreen and deciduous broad-leaved tree species were almost equivalent in quantity and importance values in the basal vegetation zone.
在阔叶林植被中,阔叶树种花粉百分比约40%,针叶树种花粉百分比低于15%,灌丛和草本花粉百分比小于50%。
In the broadleaf forest communities, the broadleaf pollen percentages are near 40%, the conifer are less than 15% while the shrubs and herbs are less than 50%.
在针叶林植被中,针叶树种花粉百分比高于60%,阔叶树种花粉百分比低于10%,灌丛和草本花粉百分比低于30%。
In the conifer forest communities, the conifer pollen percentages are more than 60%, broadleaf are less than 10% while shrubs and herbs are less than 30%.
文章介绍了林业苗圃化学除草技术,包括针、阔叶树种苗木及不同苗期除草剂的种类、配方选择,作业时间,施药方法等。
The paper introduced the chemical weeding technology in forest nursery, including the selection of herbicide kinds and formulation, application time and methods.
浙江仙居俞坑森林群落植物种类丰富,优势种不明显,群落中植物种类以常绿阔叶树种为主,落叶阔叶成分也有一定比例。
The Yukeng forest community in Xianju County of Zhejiang Province has abundance of plant species, of which the dominant population is not so clearly classified.
选取南京地区已引种成功的6种常绿阔叶树种,运用越冬适应性观察与电导法作为对比测试手段,分析这些树种的抗寒能力。
Wintering adaptability and electric conductivity were used to analyze the ability of 6 evergreen broad-leaved species to withstand the rigors of low temperature.
对固定样地调查,采用伐桩的径、高度、萌芽的数量、萌芽的生长情况等指标,分析东北东部林区主要阔叶树种的伐桩萌芽更新规律。
The law of stump sprouting of broad-leaved tree species was studied in eastern forest area in Northeast China by the investigation of fixed sampling.
在灌丛、高山草甸和草原植被中,灌丛和草本花粉百分比高于70%,针叶树种花粉百分比低于20%,阔叶树种花粉百分比也低于20%。
In the shrubs, alm and steppe communities, the shrubs and herbs pollen percentages are more than 70%, the conifer are less than 20% while the broadleaf are less than 20%.
总体上讲,黄桷树相对数量偏大,常绿阔叶树偏少,且树种较单一。
As a whole, the relative amount of evergreen broadleaf was fewer and its kind was simple.
总体上讲,黄桷树相对数量偏大,常绿阔叶树偏少,且树种较单一。
As a whole, the relative amount of evergreen broadleaf was fewer and its kind was simple.
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