绿洲农田土壤风蚀及其控制机理。
保护性耕作减少农田土壤风蚀速率。
Conservational tillage decreased wind erosion rate on farmland.
植被盖度与土壤风蚀量呈幂函数相关。
Vegetation coverage and wind erosion showed power function relationship.
保护性耕作能够有效减少农田土壤风蚀。
Conservation tillage could reduce soil wind erosion effectively on farmland.
农田土壤风蚀过程。
土壤风蚀是世界许多地区面临的一个严峻环境问题。
Soil wind erosion is one of the most serious environmental and socioeconomic problems in many semiarid ecosystems of the world.
春季苜蓿地土壤风蚀量仅为玉米地的41.81%。
The deflation of alfalfa field is only (41.81%) of that of corn field in spring.
为此，在该地区实施不同耕作方式进行土壤风蚀试验。
Therefore, different tillage methods were set up to carry on soil erosion experiment.
试验结果表明：(1)风是影响土壤风蚀的重要因素。
The result of the test shows: (1) the wind is the important factor of influencing the soil wind erosion.
典型黑土区土壤风蚀环境在整个东北地区处于中等状态。
In the whole northeastern China, the soil wind erosion environment is moderate.
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。
Study on soil wind erosion and vegetation efficiency of wind and prevention sand resistance artificial vegetation at sand-land in yongding river in beijing.
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。
Using wind tunnel tests, influences of vegetation coverage on soil wind erosion were systematically studied.
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。
Soil erosion by wind is a major cause of farmland degradation in arid and semiarid area of north China.
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.
风沙流因子对于土壤风蚀的影响，在不同的风速段具有不同的特征。
The influence on wind erosion had different characteristics under variant wind velocity scope.
土壤风蚀速率随着覆盖量的增加而降低，随着留茬高度的增加而降低。
With increasing straw mulch and height of stubble, the soil wind erosion rate decreased in the same velocity.
通过在便携式风洞内模拟挟沙气流，研究了风沙流对土壤风蚀的影响。
In this paper, influence of wind-sand flow on soil wind erosion was discussed using portable wind tunnel to simulate natural wind.
本文研究了不同作物留茬和建设农田防护林对遏制农田土壤风蚀的效应。
The effects of the stubble of different crops and farmland windbreak on controlling farmland soil erosion are 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。
Through field investigation, the influences of vegetation characteristics on wind profile and soil erosion were main studied.
针对我国土壤风蚀问题与研究现状，提出加快我国土壤风蚀研究的几点建议。
At last, in view of the problems about China soil erosion and the present study situation Suggestions for speeding up China soil erosion research have been put forward.
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 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.
在对风蚀模型深入分析和田间试验基础上初步建立了适合研究地区的土壤风蚀模型。
Based on analysing in depth to the wind erosion model and field foundation of testing, set up tentatively the soil wind erosion models which is suitable for the study the area.
国外多年的保护性耕作实践表明，旱地保护性耕作能减少土壤风蚀水蚀，抑制沙尘暴。
Conservation tillage (CT) has been shown as a wind and water erosion reduction technology from many years, research in developed countries.
结果表明：作物残茬带对间作翻耕地具有保护作用，可降低风速、减少土壤风蚀模数；
The results showed that crop stubble could protect the adjacent bare field through decreasing wind velocity and erosion modulus.
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。
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.
土壤风蚀是全球性土地退化的主要原因之一，也是世界上许多国家和地区的主要环境问题之一。
Soil erosion is a global one of the major causes of land degradation, but also many of the world's countries and regions, one of the major environmental problems.
在控制土壤风蚀措施上，葡萄种植区内秸秆覆盖优于无覆盖，玉米秸秆覆盖优于小麦秸秆覆盖。
In controlling soil wind erosion measures, the straw covered is superior to no straw covered in the area that plants grape, the maize straw covered is superior to the wheat straw covered.
简易风洞试验和自然风蚀试验表明，施用聚丙烯酰胺可以改善沙土抗风蚀能力，减少土壤风蚀量。
The tests of simple wind-tunnel and natural wind erosion show that applying polyacrylamide can improve the wind erosion-resistance performance of sand and reduce the amount of wind erosion of sand.
简易风洞试验和自然风蚀试验表明，施用聚丙烯酰胺可以改善沙土抗风蚀能力，减少土壤风蚀量。
The tests of simple wind-tunnel and natural wind erosion show that applying polyacrylamide can improve the wind erosion-resistance performance of sand and reduce the amount of wind erosion of sand.
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