适地适树
- 网络matching species with the site;matching site with trees
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安远县森林立地分类、评价及适地适树研究(总报告)
Study on the forest site classification , site evaluation and matching species with the site of Anyuan County ( general report )
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模糊数学在适地适树决策方法中的应用
Applications of fuzzy mathematics in suitable tree selection for a given site
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适地适树研究进展
The advances in Studies on Matching Tree Species with Site
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适地适树的哲学意义
" Tree species in the suitable sites " and its philosophical meaning
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吉林省红松生态区划与适地适树研究
Ecological Region and Adaptable Tree for Adaptable Stand of Korean Pine in Jilin Province
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黄土高原地区适地适树造林决策
Silviculture decision of tree species in the suitable sites of the Loess Plateau Region
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北京市西山地区适地适树问题的研究
On selection of species for local planting in Xishan area , beijing , Chima
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适地适树指标量化决策的初步研究
Preliminary Study on the Decision of Quota Measurement of Trees Suited to the Area
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黑龙江省几种常用水保树种适地适树的初步研究
Study on valuation of the main soil and water conservation tree species suitable growth in Heilongjiang province
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必须适地适树、科学管理,而梨树的适宜负载量又是重中之重。
Scientific cultivation and proper management are required , among which appropriate fruit load plays an important role .
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抚育及整地方法对生物防火林带木荷幼林生长的影响分析生物防火林带混交复层结构与配置及适地适树试验研究
Study on Complex Storey of Structure and Disposition of Fire Biological Mixed Forest and on Time and Tree Species
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本文以森林类型为基础,利用数值分析法对东北地区珍贵阔叶树种适地适树进行了研究。
According to the forest types , sites for plantation of precious deciduous trees are selected by quantitative analysis method .
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辽西河滩地杨树立地质量代换评价及适地适树的研究
Studies on the sits substitution evaluation and the poplar species matching the sites along river banks in western Liaoning province
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分析表明,适地适树的标准需要进一步深入研究。
The analysis showed that the standards to afforest at suitable site with suitable tree are needed to be studied further .
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最后讨论植被地带性原则与适地适树的联系。
At last , the paper also discussed the connection of the vegetation zonality principle and afforestation of suitable site with suitable tree .
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本文通过对林业科学技术的重要理论适地适树的科学内涵和哲学内涵的剖析,认为1、适地适树理论从林业科学技术领域冲破了传统的机械决定论;
One of the most important theories in forest science and technology , " tree species in the suitable sites " is dissected .
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通过不同调整类型的对比试验及适地适树原则,划分并营建了适合辽西水土保持林树种结构调整的3种调整模式。
Adjustment patterns of species structure of soil and water conservation forest are set up based on experiment and matching species with the site .
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因地制宜,适地适树,栽培简单,管理粗放是植物选择的原则。
" Adjust measures to local conditions , suitable plants and suitable road , simple planting , easy management " are the principle of plants selection .
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立地类型划分与抗逆树种选择是半干旱风沙区适地适树造林的技术关键。
The division of site type and selection of resistant species are key techniques to afforestation of matching trees with site conditions in semiarid sand area .
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文章通过归纳适合植物生长的各种生态因子和植物的种植株距来为适地适树规划提供依据。
This article sums up the various ecological genes which is suitable for planting trees and the distance between the plants , matching tree species with site .
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从技术的角度来看,提高造林质量需要按照适地适树的原则进行树种选择为基础。
Species selection , based on the principle-Matching Tree Species with Site , is the basis of the improvement of afforestation quality from the perspective of technique .
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研究成果对丰富和发展树木光合生理与水分生理研究具有理论价值,对科学指导黄土丘陵区合理树种选择及适地适树具有实践价值。
The results have the theoretic value to the practical meaning of scientific directing the reasonable tree choice and fitting area and trees in semi-arid Loess Hilly region .
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生态经济型乔木树种“适地适树”评价的基准年龄为15龄,评价指标为平均树高、胸径、蓄积量、郁闭度。
The standard age of evaluation of adapting trees for site conditions is15 years old , and the main index are average height , DBH , amount , canopy .
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因此,在以适地适树原则适应土壤水分环境的同时,应加强土壤水分环境的改善。
Therefore , more efforts should be laid on the improvement of soil water environment while following the principle of " selecting suitable tree species for sites " in planting .
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天目山东部地区森林立地分类评价及适地适树的研究
Local Breakdown Evaluation of Forest and Study of Suitable Soil and Suitable in the Eastern Part of Tianmu Mountain Site selection for plantation of precious deciduous trees in northeast China
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划分森林立地类型,综合评价林地质量,是适地适树,科学地进行营造林和预测森林生产力的基础。
Dividing the forest site type , comprehensive appraisal the quality of forest land are the bases to match species with the site , scientifically mange and afforest and predict productivity .
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阐述了适地适树的概念、途径,及近年来我国在适地适树的决策方法、判断标准方面的研究进展,并提出了相关建议。
The conception and methods of matching tree species with site , and advances in studies on its policy decision and judgment standard were expounded , and then some relative suggestions were raised .
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自然条件、适地适树、苗木质量、造林技术、抚育管护等5个方面的问题是造成三低的主要原因。
The main reasons for the three low levels are the following 5 aspects : natural condition , variety for suitable location , quality of seedling , forest technique , and maintenance and management .
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主要依据适地适树原则及工作的具体需要进行造林设计,划分了造林地主要立地类型,并制定了林分改造年度计划和造林地类型表;
Mainly according to the rules of suitable trees and suitable sites and the work need , authors divide the stand types , then design the yearly stand rebuilding plans and stand types tables .
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通过良种繁育、适地适树、合理结构及立地调控技术,全面营造人工用材林,在木材生产上实现人工林替代天然林。
By the technologies of well-bred species breeding , matching species , reasonable structure and site adjusting , the plantation can be planted generally , and it can replace natural forest on timber yield .