伐根
- stump
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利用I-69杨树伐根萌芽更新与植苗造林的效果
The effect of the reproduction by sprout of the stump division and the planting trees of poplar I 69
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利用伐根估算杨树立木材积方法研究
Estimation Method for Standing Tree Volume of Poplar By using Stump
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机械手采用全液压驱动、单片机系统控制,作业半径4~8m,最大可清理伐根直径550mm。
Then the stump can be clipped and pulled out by the mechanical arm . The operating radius of the manipulator is 4 ~ 8 m , and the maximum diameter of stump which can be excavated is 550 mm .
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杨树伐根嫁接毛白杨试验研究
Experimental Research on Populus tomentosa Carr . Grafting on Poplar stump
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伐根清理机器人设计理论与应用技术的研究
The Research of Robot Design Theory and Practical Technique for Excavating Stump
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杨树伐根嫁接法造林技术研究初报
Primary Report on Forestation Technique of Poplar With Stump Grafting
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青杨伐根嫁接新疆杨试验
Test on Grafting Xinjiang Poplar on Cathay Popular Stumps
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人工林白桦伐根腐朽程度对林隙内土壤温度的影响
Influence of Decayed Stump in Betula platyphylla Plantation on Soil Temperature in Gap
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林木伐根用途很广,但采掘相当困难。
Tree stumps can be very useful but they are difficult to dig out .
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伐根清理机器人液压系统的设计
Design of Hydraulic System for Stump Cutter Robot
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杨树嫁接苗生长量与伐根直径及嫁接株数关系的研究
Study on relationship between the graft growth and the diameter of stump and graft amount
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荒漠绿洲农田防护林伐根嫁接毛白杨更新技术
Research on Stump Grafting Regeneration of Populus tomentosa in Shelter-belt on Farmland of Desert Oasis
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调查显示真菌对所寄生的伐根具有一定的选择性,这是和不同真菌的酶活动不同相关的。
All fungi parasite on the stump with the selectivity for they have different enzyme activity .
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本文介绍了伐根清理机器人液压驱动与控制系统。
The hydraulic drive and control system of stump cutter robot is introduced in the article .
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伐根适宜高度的研究
Study on Suitable Stumps Height
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伐根研究进展
Research Progress in Stump
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分析在伐根分解的过程中,土壤动物的动态变化。
Then the research analyze the dynamic state variety of the soil animal during the process of stumps decomposition .
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在林业领域,木材采伐后的主剩余物是残留的伐根、木材枝丫、树皮等。
In the field of forestry , the main residues are stumps , wood branches and barks after timber harvesting .
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虽然伐根分解是在多方因素作用下进行的一个综合过程,但是土壤动物的参与起到了极其重要的作用。
Although the process is a synthesizes one carrying on under many factors , the soil animal act as the very important function .
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为了提高采掘伐根的效率,减小对地表的破坏,研制了林木伐根清理机器人。
A tree stump excavation robot was developed in order to improve the efficiency of stump removal and to reduce damage to ground surface .
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随伐根深度增加,土壤动物的类群和个体数均减少,土壤动物群落的多样性随之降低;
Goning with the deeper , the group and individual of soil animal are reducing , as well as the diversity of soil fauna .
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阔叶红松林红松伐根分解过程养分动态研究林恩有长而直的红发。
The nutrient dynamic research of the Korean pine stump decomposition in the pine broadleaf forest Lynn has long , straight , red hair .
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第一章讲述了生态环境措施,分别介绍了采伐方式、集材方式、更新方式、更新跟上采伐、伐根剥皮、伐后清理等;
The first section introduced ecological harvesting measures , such as cutting system and skidding system , regeneration methods , stump debarking , slash disposal etc.
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从1990年4月中旬开始定期调查、记载各伐根的萌芽情况和优势萌条的生长量,比较其优劣。
From the second ten-day of April of the year 1990 , the state of stump sprouting and increments of dominant sprouts were regularly measured for comparison .
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研究结果显示,不同树种伐根的分解过程不同,其分解时间不仅受环境因素的影响,也与伐根自身的物质组成特点相关。
The investigation shows that different tree species stump has different decomposition process . The environmental factors and the material composed in the stump both affect stump decomposition .
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通过清除伐根、严格管护、林间挖沟、补植等系列经营管理技术,才能达到复壮更新的目的。
By elimination stump , forest management and guard , digging the hole in forest and reinforcement planting , the purpose of rejuvenation and reproduction by sprout should be achieved .
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在对国内外典型伐根清理机械的设计理论及其技术研究的基础上,结合伐根清理机器人的应用特点,提出伐根清理机器人系统的结构设计原则及机构形式综合原则。
On the basis of studying the design theory of typical internal and external mechanisms for tree stump excavating , combining with ' the characteristics of robots for tree stump excavating .
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因此,在坡地上进行伐根催腐造林优于炼山造林。(4)林地炼山前后对土壤理化性质的影响(平地)。
Stump rot minder management measure was better than burned on slope land . ( 4 ) The influence of soil physical and chemical properties for before and after burning ( flat ) .
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林分保留郁闭度与伐根萌芽率,优势萌条径、高生长量呈反相关,故萌芽更新的林分保留郁闭度不能超过0.6,以0.5以下为宜。
Therefore , the reserved closure should not be more than 0.6 and the most suitable closure is 0.5 . Superfluous sprouts on a stump should be removed timely to ensure the growth of dominant sprouts .
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选择成熟树木意大利214杨的伐根作砧木,欧美107杨和荷兰3930杨作接穗,依据细胞再生原理,进行插皮法嫁接。
Selecting the stump of mature Italian poplar 214 to be rootstock , using European and American poplar 107 and Holland poplar 3930 to be scion , we conducted stump grafting according to regenerated theory of cell .