侵蚀土壤

  • 网络Eroded soil
侵蚀土壤侵蚀土壤
  1. 侵蚀土壤物理性质变化及其与土壤氮素迁移转化的关系

    Relationship between Physical Properties of Eroded Soil and Nitrogen Transformation

  2. 侵蚀土壤和某些物质的持水容量

    Study on the water holding capacity of eroded soil and some materials

  3. 中国南方侵蚀土壤退化指标体系研究

    Study on Degradation Index System of Eroded Soils in Southern China

  4. 土壤的生物学指标在矿区侵蚀土壤研究中的应用

    Application of microbial indicators in research on eroded soil in mine area

  5. 所以雨水侵蚀土壤,将它冲进河里。

    So the rain eroded the soil and swept it into the rivers .

  6. 第四纪红粘土区侵蚀土壤持水性能的评价

    Evaluation on the Water-retention Properties of Eroded Soil Developed from Quaternary Red Clay Region

  7. 南方花岗岩区不同侵蚀土壤治理效果的研究

    Study on soil conservation effect for different eroded soils in granite region of South China

  8. 广东省花岗岩区侵蚀土壤类型及其防治对策

    Eroding Soil Types and Their Management Countermeasures of Granite Regions in Guangdong Province , China

  9. 黄土高原水土保持措施对侵蚀土壤发育的效应

    Effects of soil and water conservation measures on eroded soil development in the Loess Plateau

  10. 介绍了国内外土壤退化的评估方法和建立侵蚀土壤退化指标的原则;

    The assessment methods of soil degradation and the principles for establishing degradation indexes of eroded soils were instructed .

  11. 二氧化硫升入云里,然后变成雨滴落入地面,侵蚀土壤。

    And the sulfur dioxide settled in the clouds fell to the land in droplets of rain and sank into the soil .

  12. 根据侵蚀土壤的发展过程和属性变化特点,提出了侵蚀土壤退化指标体系;

    The degradation index system of eroded soils have been suggested based on the analysis of development process and characteristic changes of eroded soils .

  13. 系统全面地论述了侵蚀土壤物理退化、化学退化和生物退化的具体内容和定量指标。

    Meanwhile , fully and systematically expounded the specific contents and quantitative indexes of physical degradation , chemical degradation and biological degradation of eroded soils .

  14. 甘青黄土地区水土流失危害和提高侵蚀土壤生产潜力的途径

    The harms from soil and water loss and the ways to raise potential productivity of eroded soil in loess region of Gansu and Qinghai provinces

  15. 针对黄土丘陵区侵蚀土壤最主要的功能&生产力和抗侵蚀能力,运用敏感性分析、主成分分析和判别分析法,对10种土地利用类型、208个样点的32项土壤属性指标进行了筛选。

    By the methods of sensitivity analysis , main component analysis and discriminant analysis , this paper screened the sensitive indicators from 32 soil attributes to assess the productivity and erosion-resistance ability of the soils in hilly Loess Plateau .

  16. 通过建立侵蚀土壤质量单因素评价模型和综合评价模型,选出了黄土丘陵区适宜的侵蚀土壤质量评价方法,定量评价了该区土地利用方式对土壤质量的影响。

    Through establishing single factor and integrated assessment models , suitable assessment method for erosion soil quality on hilly Loess Plateau was selected . Quantitative assessments of soil qualities in different land utilization types was also performed in this paper .

  17. 若以3次降雨的平均值IOmm计算,梨一红薯、梨一花生、梨一早稻和裸地梨园各处理的被侵蚀土壤有机物含量分别为13.38%、13.41%、4.12%和3.81%。

    Content of organic substance of corraded soil of Pear sweet potato is 13.38 % , that of pear peanut is 13.41 % , that of pear dry rice is 4.12 % and that of bare pear orchard is 3.81 % .

  18. 为了揭示土壤水分的变化情况,寻求植物安全越夏的栽植深度,对三种主要侵蚀土壤,在不同植被下,4&9月份进行了定点土壤水分观测。

    To determine suitable water situation of soils and to decide the optimum depth for planting and seedling , stationary observation of the water content of three soils under different vegetation was carried out during April to September of raining season .

  19. 黄土体结构面是分割黄土成块体的结构面,是侵蚀土壤、洞穴的优势面,是孕育地质灾害的控制和分离面,是地下水的运移通道和储存场所。

    Structural planes in loess mass are planes of dividing loess into mass , preponderance planes of tunnel erosion of soil , control planes of arising geological hazards and the seeping channels and storing room of groundwater . So to study on them is very important and useful .

  20. 侵蚀部位土壤δ13C值与SOC含量线性拟合的倾斜角β与地形坡度成正相关,与粘粒含量成负相关,是反映SOC周转的一个良好指标。

    The slope (β) of linear regression between isotopic composition and SOC concentration was positively related to slope gradient of the landscape and negatively related to clay content , indicating that β could be used as a useful index to describe mineralization of SOC at the erosion position .

  21. 有部分区域水土流失已达到极强度侵蚀,土壤侵蚀模数高达9000t/(km2·a)以上,沟壑密度2km/km2,植被盖度仅为15%。

    Somewhere gives the most erosion of soil and water and has more 9 000t / ( km2 . a ) of soil erode model , 2km / km2 of gully erode density and only 15 % of vegetable cover .

  22. 有机肥在侵蚀退化土壤生产力恢复中的作用研究

    Effect of organic amendments on restoring productivity of eroded calcareous soil

  23. 初步阐述了坡面土壤侵蚀与土壤理化性质的关系和相互影响;

    Interrelationship between erosion and properties of soil is expounded initially ;

  24. 加速侵蚀对土壤腐殖酸动态变化的影响

    Impact of accelerated erosion on dynamics of soil humic acids

  25. 人为加速侵蚀下土壤质量的生物学特性变化

    Changes of Biological Characteristics of Soil Quality Under Man made Accelerated Erosion

  26. 南方花岗岩侵蚀区土壤退化的研究

    A Study on Soil Degradation in the Granite Erosion Region of Southern China

  27. 国外评价土壤侵蚀与土壤生产力关系的模式

    The models of evaluating the relationship between soil erosion and soil productivity abroad

  28. 黄土坡地耕作侵蚀对土壤养分影响的研究

    Effects of Tillage Erosion on Soil Nutrients in Loess Sloping Land of China

  29. 黄土丘陵林地土壤侵蚀与土壤性质变化

    Change about Soil Erosion and Soil Properties in Reclaimed Forestland of Loess Hilly Region

  30. 人为加速侵蚀对土壤退化的影响

    Effect of Man-made Accelerated Erosion on Soil Degradation