水土保持林

  • 网络soil and water conservation forest;forest for soil and water conservation;forest for water and soil conservation;Water-soil conservation forests
水土保持林水土保持林
  1. 水土保持林综合抚育技术研究

    Study on Techniques of comprehensive nurture of forest for soil and water conservation

  2. 华南热带水土保持林的水文效应

    Hydrologic Effect of Forest for Soil and Water Conservation in Tropical Zone of the South China

  3. 水土保持林有效覆盖率(ECR)的初步研究

    A Preliminary Research on ECR of Soil and Water Conservation Forest

  4. 油松(PinusTabulaeformisCarr.)在我国分布广泛,也是北方营造水源涵养林、水土保持林及用材林的主要树种之一。

    Pinus tabulaeformis Carr . is a widespread main wood species in China , used for soil and water conservation forest in north of China .

  5. 水土保持林体系的功能有序

    Function in Order of Forest System for Soil and Water Conservation

  6. 侧柏水土保持林密度调控

    Regulation Density of Soil and Water Conservation Forest of Platycladus orientalis

  7. 水土保持林树种结构调整技术研究

    Adjustment Techniques of Species Structure on Soil and Water Conservation Forest

  8. 桉树作为云南省水土保持林主要树种的思考

    Eucalyptus as a'Strong Tree Species for Soil Conservation in Yunnan province

  9. 从宏观和微观角度研究提出了高效水土保持林体系构建技术。

    Constructing techniques on macro and micro scale are recommended .

  10. 试论灌草在水土保持林中的作用

    The Function of shrub on Maintaining the water and soil

  11. 以小流域为单元建设水土保持林体系

    Building Forest System for Water and Soil Conservation as Small Basin Unit

  12. 南方水土保持林引种选择

    Selected Trees Species for Forest of Soil and Water Conservation in South China

  13. 红树林及其土壤水土保持林中枯落物的作用

    Effect of Withered Branches and Dead Leaves in the Forest for Soil Conservation

  14. 兴隆小流域水土保持林规划

    Planning for conservation forest in Xinglong small - watershed

  15. 辽西地区水土保持林主要林分类型及结构特征分析

    The major types of soil conservancy plantations in western Liaoning and structural features

  16. 火炬松水土保持林综合效益试验研究

    Experiment on the Benefit of Torch Pine Used for Soil and Water Conservation

  17. 水土保持林土壤改良效益评估模型的研究

    Studies of Evaluation Models on Soil Improvement Benefit of Water and Soil Conservation Forest

  18. 贵州水土保持林价值计算方法探讨

    Study on the Value Calculation Method for Soil and Water Conservation Forest in Guizhou

  19. 水土保持林土壤肥力及其评价指标

    Study on Soil Fertility of Water and Soil Conservation Forest and Its Evaluation Indexes

  20. 以防护成熟龄为基础,确定剌槐水土保持林的三个经营阶段:成熟前期、防护成熟期和更新期。

    Three phases for management of WSCF were divided according to protective maturity ages .

  21. 典型黑土区水土保持林对土壤可蚀性的影响土著菌群,土著区系

    Effect of Soil and Water Conservation Forests on Soil Erodibility in Typical Black Soil Region

  22. 湘中丘陵花岗岩侵蚀劣地水土保持林效益研究

    Benefits of Soil and Water Conservation Forest in Granite Hilly Area of Central Hunan Province

  23. 水土保持林有效覆盖率及其确定方法的研究

    Research on Effective Cover Rate and Its Determining Method for Soil and Water Conservation Forests

  24. 山地水土保持林改良土壤效应的研究

    Study on Effect of Soil and Water Conservation Vegetation on Soil Amelioration in Hilly Region

  25. 浙江省八大水系的水土保持林调查

    The Survey on Water and Soil Conservation Forest of 8 River System in Zhejiang Province

  26. 晋西黄土高原水土保持林适宜密度研究

    Best Density of Soil and Water Conservation Forest on Loess Plateau of Western Shanxi Province

  27. 太行山刺槐水土保持林的适宜密度研究

    A study on optimum density of soil and water conservation Black Locust Forest in Taihang Mountain

  28. 晋西黄土区水土保持林水量平衡的研究

    Study of the Water Balance for Soil and Water Conservation in Forests of Northwest Shanxi Province

  29. 水土保持林及其配置模式对土壤养分的影响

    Effect of Different Forests for Soil and Water Conservation & Their Configuration Patterns on Soil Nutrients

  30. 荒漠化区能源基地水土保持林体系构建技术研究

    Study on Construction of Soil and Water Conservation Forest System in Energy Base in Desertification Region