侵蚀土壤
- 网络Eroded soil
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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
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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
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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
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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
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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 .
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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
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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
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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
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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
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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 .
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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 .
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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 .
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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 .
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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
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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 .
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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 .
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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 % .
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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 .
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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 .
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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 .
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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 .
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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
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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 ;
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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
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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
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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
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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
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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
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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
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人为加速侵蚀对土壤退化的影响
Effect of Man-made Accelerated Erosion on Soil Degradation