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- water and soil loss quantity 水土流失量
- People plant trees on stark hill in order to deline the water and soil loss. 人们在荒丘上种植了树木以减少水土流失。
- People planted trees on the waste hills to decrease water and soil loss. 人们在荒丘上种植了树木,以减少水土流失。
- Contrastively, due to complicated types and high intensity, man-made erosions were main water and soil loss hazards in Guangzhou city. 人为侵蚀的成因主要有:采石取土、交通道路建设、开发区建设以及坡耕地。
- Applying a redesigned index of land use structure,the effect of land use structural change on water and soil loss in Wusuli River basin was analyzed. 不合理的土地利用结构是导致我国一些河流水土流失乃至河流改道的重要原因之一。
- Corn straw cover is to use crop straw to cover the earth surface, which is a dry farming measure to solve soil, fertilization and water and soil loss control. 摘要玉米秸秆覆盖是利用作物秸秆覆盖地表,解决保土、培肥和控制水土流失的一项旱作农业耕作措施。
- Check dam is the main measure for soil and water conservation, and its benefit in water and soil loss is remarkable, especially in the most seriously eroded first sub-region of hilly-gully Loess Plateau. 摘要淤地坝是水土保持治理的主要措施之一,特别是在水土流失最为严重的黄土丘陵沟壑区一副区,其效益更为突出。
- The establishment of ecological agriculture obviously improves agricultural ecological enviornment, measures barren hill and slope, greatly enhances silvan cover, so as to control water and soil loss. 生态农业建设使农业生态环境得到明显改善,荒山荒坡得到治理,森林覆盖率大幅度提高,水土流失有所控制。
- We also should build reservoirs ,change the land into terraced fields,plan reasonably and combine the biological methods with project methods in order to control the water and soil loss. 水土流失是我国当前突出的生态环境问题,文章以合肥大房郢水库流域水土流失为例,揭示小流域水土流失对环境的危害性,提出相应的防治措施和合理化建议。
- The author expounded the situation and harms of different rocky water and soil losses in Ningdu county eroded area. 论述了宁都县侵蚀区不同岩性水土流失现状和危害,并对成因及发展趋势进行了分析。
- The loss of water and soil was most serious in this area . 这个地区水土流失最严重。
- Water and Soil Loss Rate of Urban Forest 城市地区水土流失指标探讨
- The Dispose ofSpecies and Quantity of Rodent on Typical Water and Soil Loss Region 典型水土流失区地面鼠类的数量配置及季节变动规律
- Clearances of vegetation will lead to the loss of water and soil. 砍伐植被会引起水土流失。
- Articles 5: The State shall protect water resources and adopt effective measures to preserve natural flora, plant trees and grow grass, conserve water sources, control water and soil losses and improve the ecological environment. 第五条 国家保护水资源,采取有效措施,保护自然植被,种树种草,涵养水源,防治水土流失,改善生态环境。
- The State shall protect water resources and adopt effective measures to preserve natural flora,plant trees and grow grass,conserve water sources,control water and soil losses and improve the ecological environment. 国家保护水资源,采取有效措施,保护自然植被,种树种草,涵养水源,防治水土流失,改善生态环境。
- A side water and soil raises a side people. 一方水土养育一方人。
- These supply much useful revelation for studying the dynamic mechanism of the soil erosion chain in slope and ditch syst em, and effectively controlling water and soil losses in loess hilly and gully a rea. 这些为研究和揭示坡沟系统土壤侵蚀链的动力机制,以及有效控制与治理黄土丘陵沟壑区的水土流失现象,提供了许多有益的启示。
- That's what people call water and soil conservation. 这就是人们所说的水土保持。
- Loess Cave Hazard in Highways and Water and Soil Loss 公路黄土洞穴灾害与水土流失研究