In contrast, the roots of grasses and other small plants may help to hold loose soil fragments together, thereby helping to prevent erosion by the wind.
相反，草和其他小植物的根可能有助于把松散的土壤碎片固定在一起，从而助于防止风的侵蚀。
Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.
起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。
Large swaths of planted poplar trees now protect fields once ravaged by floods, wind, sandstorms and soil erosion, giving boost to agricultural activities.
大片成行的杨树保护着曾经遭受洪水、大风、沙尘暴肆虐和土壤侵蚀的农田，从而促进农业生产活动。
Tilling can remove weeds and the waste from last season's crops and help break down old plant material into fertilizer. But it can also increase the risk of soil erosion by rain or wind.
耕作可以清除杂草和上一季的农作物残茬，并且有助于将原来的农作物残茬分解成化肥，但它也会增加因风蚀、水蚀造成水土流失的风险。
The action of wind and water causes the erosion of rocks and soil.
风和水的作用会引起对岩石和土壤的侵蚀。
But it can also increase the risk of soil erosion by rain or wind.
但同时在下雨或刮风的影响下增加土地腐化的危险。
In the region soil resources are destroyed frequently due to fierce wind erosion and desertification, affecting productive potential development.
由于严重的水土流失，风蚀沙化强烈，土壤资源不断遭到破坏，生产潜力得不到发挥。
It is shown that the main types of soil erosion are water erosion, wind erosion and frozen erosion in China.
研究结果表明：我国的土壤侵蚀以水力侵蚀为主，其次为风力侵蚀和冻融侵蚀。
The experiment indicates that wind itself is of weak effect on ground surface erosion, so that the soil crust may not be destroyed even under great wind velocity.
实验表明：净风对土表的风蚀作用微弱，即使在遭到大风吹刮时，土表的结壳仍不易受到破坏。
The soil straw cover of farmland is a main method to prevent the soil and water erosion, it is very important to research the relation between the straw cover and the wind erosion.
农田地表秸秆覆盖是防止水土流失的一项主要措施，研究秸秆覆盖度与土壤风蚀、水蚀的定量关系对农田采取合理的覆盖形式有重要的指导意义。
The main way of soil erosion are wind erosion and water erosion, which have been studied for long time and primary understood the process.
土壤侵蚀的主要方式是风蚀和水蚀，对其研究历史较长，已经有了初步的认识。
It points out movable wind erosion tunnel will be the important instrument and will have a high economic value in the study of soil wind erosion.
指出移动式风蚀风洞将成为土壤风蚀研究的重要工具，在风蚀研究中具有极大的重要性和经济价值。
Aerodynamic roughness length is a important feature to easement soil resistance to wind erosion.
耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。
Study on soil wind erosion and vegetation efficiency of wind and prevention sand resistance artificial vegetation at sand-land in yongding river in beijing.
北京市永定河沙地土壤风蚀与人工植被防风阻沙效益研究。
It explains that the soil grain is wriggle and transition in plough land and stubble land of naked oats' wind erosion.
说明土壤发生风蚀时耕翻地与莜麦留茬地的土壤颗粒主要以蠕动和跃迁方式运动。
Soil wind erosion is one of the most serious environmental and socioeconomic problems in many semiarid ecosystems of the world.
土壤风蚀是世界许多地区面临的一个严峻环境问题。
Through field investigation, the influences of vegetation characteristics on wind profile and soil erosion were main studied.
采用野外定点观测法，主要研究植被各个特征对风力作用及土壤风蚀的影响。
Soil erosion by wind is a major cause of farmland degradation in arid and semiarid area of north China.
土壤风蚀是中国北方干旱半干旱地区农田土地退化的重要原因。
The wind erosion hazard is often intensified by the poor vegetation cover and loosen surface soil due to the freezing and thawing over winter.
春季风大风多，降雨量少，气候侵蚀力高，地表植被覆盖率低，土壤表层由于冻融作用变的松散，是一年最易风蚀的季节。
The erosion character of surface of cultivated land that is studied by movable erosion wind tunnel is one of the important ways of soil erosion problems.
利用可移动式风蚀风洞研究农田地表风蚀特性是研究土壤风蚀问题重要方法之一。
The problems of arable land degradation, such as soil and water loss, soil erosion by wind and soil water disequilibrium, attract attention of all walks of life.
水土流失、风蚀以及低洼地水分不平衡引起的土地退化等问题已得到社会各界的广泛关注。
In this paper, by investigating soil, field vegetation, and surface wind erosion status, combining indoor analysis, the effect of vegetation recovery on sandy degraded grassland in Yanchi is studied.
本文通过野外植被、土壤和地表蚀积状况调查与室内分析测试相结合的方法，对盐池沙地退化草场植被恢复的效果进行了调查。
Surface roughness is an important feature that affects vegetation coverage soil against wind erosion.
空气动力学粗糙度是影响植被覆盖土壤抗风蚀能力的重要因素。
Using wind tunnel tests, influences of vegetation coverage on soil wind erosion were systematically studied.
利用风洞模拟实验，系统研究了植被覆盖对土壤风蚀的影响。
More vegetation covers make the soil particle finer in sand land, but the perennial herbage decrease the wind erosion less than shrub.
沙生植被的增加会显著增加土壤中细粒物质的含量，但多年生草本对风蚀的减缓作用低于灌木；
The water-wind erosion crisscross on the Loess Plateau is a special region with severe soil erosion and brittle ecosystem and being the main sediment source of the Yellow river.
水蚀风蚀交错带是黄土高原水土流失最为严重的地区之一，该地区生态环境十分脆弱，成为黄河中下游河道泥沙输入的主要来源。
Set up wind erosion trial zone at soil wind erosion and desertification serious areas, Carry on soil wind erosion monitor by the characteristic of local weathers and the plant.
在土壤风蚀沙化严重地区建立了风蚀试验区，针对当地气候以及种植特点进行土壤风蚀监测。
Based on field investigation, tests, and indoor wind tunnel experiment, the mechanism of soil erosion by wind on sandy land is analyzed.
通过典型样地调查和室内风洞试验，分析了该区沙地土壤风蚀机理。
Based on field investigation, tests, and indoor wind tunnel experiment, the mechanism of soil erosion by wind on sandy land is analyzed.
通过典型样地调查和室内风洞试验，分析了该区沙地土壤风蚀机理。
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