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造林     
相关语句
  afforestation
    Study on Afforestation Decision Support Model Based on COM GIS
    基于组件GIS的造林决策支持模型的研究
短句来源
    Studies on Water Consumption Characteristics of Main Plantation Tree Species and Technoloy of Drought Resistance for Afforestation in Northern China
    我国北方主要造林树种耗水特性及抗旱造林技术研究
短句来源
    Ecological value of A Part Afforestation Tree Species
    我国部分造林树种的生态值
短句来源
    SITE CLASSIFICATION FOR PROTECTED FOREST AFFORESTATION ON THE COAST OF CHINA
    中国海岸防护林造林地立地类型的分类
短句来源
    STUDY ON THE AFFORESTATION DENSITY OF CUNNINGHAMIA LANCEOLATA I . THE EFFECT OF DENSITY ON BIOMASS OF YOUNG GROWTH OF C. LANCEOLATA
    杉木造林密度试验研究 Ⅰ.密度对幼林生物量的影响
短句来源
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  forestation
    Application of Aerophotograph in Design of Forestation Base and Its Area Estimation
    航空相片在造林基地设计和面积验收中的应用
短句来源
    Preliminary Study on Seedling Cultivation and Forestation Technique of Pteroceltis tatarinowii
    青檀育苗造林技术初步研究
短句来源
    Dissection Characteristics of Major Forestation Species and the Feeding Habits of Adult of Poplar Sawyers
    主要造林树种解剖特征与天牛成虫食性研究
短句来源
    Study on Fine Family Selection and Forestation Effect of Cunninghamia lanceolata
    杉木优良家系选择及造林效益研究
短句来源
    Study on Growth Process of Different Forestation Densities of 29-year-old Chinese Fir Plantation
    29年生杉木不同造林密度生长进程分析研究
短句来源
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  planting
    A STUDY ON DEEP PLANTING TECHNIQUE OF POPLAR
    杨树钻孔深栽造林技术的研究
短句来源
    RESEARCH ON SEEDLING PLANTING DEPTH OF POPLAR PLANTATION
    杨树造林苗木不同栽植深度的研究
短句来源
    CLONAL BREEDING AND PLANTING OF CHINA FIR
    杉木无性系选育与无性系造林
短句来源
    TESTING ON WILTING COEFFICIENT OF SEEDLINGS OF SEVERAL MAJOR PLANTING SPECIES IN JIULONG HILL,BEIJING
    北京九龙山四种造林苗木凋萎系数的测定
短句来源
    Benefits of Shelterbelet on Farmland and Its Planting Design
    农田林网的效益及造林典型设计
短句来源
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  silviculture
    COMPARATIVE STUDY ON THE MICROCLIMATE AND WATER BETWEEN PRESERVATION AND SILVICULTURE BELTS
    保留带与造林带的小气候和水分比较研究
短句来源
    Application of Pt mycorhiza formulation on silviculture
    Pt菌根剂造林应用技术
短句来源
    Preliminary Research of Oriental Arborvitae Silviculture
    侧柏造林研究初报
短句来源
    The estimating of Site index and site quality are fundamental theory and basic tools in forest ecosystem management and silviculture practice.
    森林生态系统立地指数分析和立地质量的评估是森林生态系统经营管理和造林营林的重要理论基础与规划方法,也是研究森林生态系统生产力的重要内容。
短句来源
    Silviculture Experiment of Four Tree Species at Karst Mountainous Areas in Southeast Yunnan
    滇东南岩溶山区4个树种的造林试验结果分析
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  afforestation
korshinski afforestation can increase the content of aggregates.
      
Division of afforestation site type in the watershed of Wangjiagou, West Shanxi through GIS
      
To promote afforestation in sandy lands and increase the effects of prevention and control of desertification, the application of a new drought-resistant product-solid water and foliar fertilizer "Shifengle"-was studied.
      
Afforestation survival rates of Salix psammophila and Hedysarum mongolicum reached over 90%.
      
Water consumption of a single tree from the main afforestation tree species in Western Shanxi Province, a loess area
      
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  forestation
In the last five years, the height increment and rhythm of growth, phenophase for the seedling phase and the character of resistence to adversity in forestation had been observed and compared.
      
The dry-hot valleys and forestation in southwest China
      
The classification of seedlings is important to ensure the viability of seedlings after transplantation and is acknowledged as a key factor in forestation and environmental improvement.
      
Total soil nitrogen in the study area was increased at both depths due to forestation with the highest increment in the inland at both surface and subsurface soil.
      
Urbanization will contribute to flood disaster, while forestation will mitigate flood disaster.
      
更多          
  planting
The influence of woodland soil bulk density on the growth and distribution of fine root system of main planting tree species in the Weibei Loess Plateau was investigated by means of pot culture and field survey.
      
Besides, runoff and sediment produced in mixed planting of apple trees and crops were 16.14-fold and 2.96-fold than those of O.
      
Container stecklings are more likely to increase the planting survival rate.
      
Therefore, it is important to consider planting densities on the hillsides with slope gradients less than 10° for reconstructing vegetation.
      
To improve soil quality and maintain sustainable productivity, some measures, including planting mixed conifer with hardwood, preserving residues after harvest, and adopting scientific site preparation, should be taken.
      
更多          
  silviculture
Fire have been employed in many silviculture practice such as fireline creation, fuels reduction and seed bed preparation in Northeast China.
      
However, paying more attention to the logging than to the silviculture for a long time lead that the felling amount has been more than the growth in volume of forest.
      
Natural regeneration of Mongolian scots pine and its application approach in silviculture
      
Its purpose is to give a basis for forest management and silviculture.
      
Quite a few pilot research projects have been carried out on demonstrating new silviculture techniques for re-vegetation in DHV, but there still exist great difficulties in carrying cut large-scale afforestation engineering.
      
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