soil degradation
[土壤] 土壤退化;土壤破坏
2026-04-14 08:36 浏览次数 19
[土壤] 土壤退化;土壤破坏
soil biological degradation土壤生物退化
soil quality degradation index土壤质量退化指数
soil physical degradation土壤物理性质退化
red soil eroded degradation land红壤侵蚀退化地
soil fertility degradation土壤肥力退化
soil pollution degradation土壤污染退化
soil erosion degradation土壤侵蚀退化
soil quality degradation土壤质量恶化
soil structure degradation土壤结构退化
deforestation and soil degradation have made the yellow sandstorms that descend from the steppe to the urbanized east coast cities no longer rare.
森林砍伐与土壤沙化导致来自西伯利亚的沙尘暴频频光顾东部沿海各个城市。
the results show to some extent that man-made unreasonable land use is the main cause of soil degradation and eco-environment deterioration.
上述结果在一定程度表明,植被遭到破坏、不合理的人为开垦,是土壤退化和生态环境恶化的主要原因。
decrease in the content of organic matter and total nitrogen is the main characteristic of soil degradation process.
结果表明:湿地土壤开垦后的肥力退化显着,有机质和全氮含量下降。
studying the mechanism of soil degradation in this region was important for preventing soil degradation effectively, and recovering the ecosystem quickly as well as exploiting hot regions rationally.
探讨该区土壤退化机理,对于有效防治土壤退化,尽快恢复生态和合理开发该区有重要意义。
soil degradation in this region mainly expressed decrease of nutrition element and increase of salt and alkali.
该地区的土壤退化主要表现为营养成分的减少,有害的盐堿成份的增加。
nitrogen leaching from a sloping land is one of the important causes of soil degradation and agricultural non-point source pollution.
坡地氮素淋溶是导致坡地土壤质量退化和农业非点源污染的重要原因之一。
the rate of soil degradation of various biodegradable plastics has been measured by hoshino (2001).
对土壤的各种生物降解塑料的降解率一直测量星野(2001年)。
soil is one of basic factors which life beings in the earth rely on. soil degradation increasingly restricts human development, and soil erosion is one of the reasons.
土壤是地球上生物赖以生存的基本要素之一,土地退化的日益严重成为制约人类发展的重要因素,土壤侵蚀是其中一个重要的因素。
serious soil and water loss from slope land was the main causes for soil degradation and eco environmental degradation on the loess plateau.
坡耕地严重的水土流失是导致黄土高原土壤质量退化与生态环境恶化的重要原因。
the aim of the field experiment was to investigate to what extent such a system could prevent soil degradation resulting from very intensive crop rotations.
此次田间试验的目的,是研究这一方法能在多大程度上防止由于精细的作物轮作所产生的土壤退化。
the main types of soil degradation were of poor nutrients, poor microorganism, bad structure, basification and heavy drought.
库区土壤退化类型有贫养分化、贫微生物化、结构劣化、堿化和严重干旱化。
indexes and standards for evaluating soil degradation were set up, and the degree, type and spatial change of soil degradation were evaluated in zigui county.
建立了土壤退化评价指标及其评价标準,并对三峡库区秭归县的土壤退化强度、类型与空间变化进行了评价与分析。
the soil degradation of eucalyptus plantation was evaluated from water status, nutrition status and the integrated effect of plantation on water and fertility.
从桉树人工林的水分、养分状况以及人工林对水肥的综合影响上评述了桉树人工林的地力衰退表现;
there are a lot of soil degradation types in the south of china, but the most important and serious type which has the widest distribution is the soil erosion resulted from poor use of the soil.
我国南方土壤退化的类型很多,但是最重要的、最严重的,也是分布最广的则是由土地利用不当所引起的土壤侵蚀退化。
the soil degradation integrated 10 indexes of soil property indicated that compared with the primary marsh, the wetland under different utilization types all degraded.
综合土壤性质10项指标计算的土壤退化指数表明,与原生沼泽相比,不同利用方式下的湿地均出现退化。
therefore, to protect soil resources, reasonably exploit and manage soil, and prevent soil degradation constitute an indispensable strategic measure for biodiversity conservation.
因此,保护土壤资源,合理耕作与管理土壤,防止土壤退化是生物多样性保护的一个不可缺少的战略要素。
the community structure and function of soil fauna in ecosystems received severe negative impact with the increasing population, soil degradation and environment pollution.
随着人口的增长、土壤的退化以及环境的恶化,各种生态系统中土壤动物的结构与功能受到严重的干扰。
soil pollution degradation is one of soil degradation patterns in china and also in the world.
土壤污染退化已成为我国乃至全球性土壤退化的主要表现形式之一。
soil degradation induced by human activities together with natural factors has been attracting increasing attention in the world.
由人类活动和自然因素综合作用导致的土壤退化已引起全球的日益关注。
to the same soil degradation series, higher the fractal dimension, more serious the soil degradation.
对于同一土壤退化系列,分形维数越高,土壤退化越严重。
the characteristics and mechanism of soil degradation were analyzed, as the case study of da'an city and changling county in the west part of jilin province.
以吉林省西部土壤退化典型地区大安市和长岭县为例,研究、分析了该地区土壤退化特征及机理。