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- gully erosion control forest 沟道防护林
- Andropogon Grass used for erosion control. 用于控制水土流失的一种草。
- This review describes ecological functions of the bamboo forest on soil erosion control, water conservation, land rehabilitation, and carbon sequestration. 本文综述了竹林在控制土壤侵蚀,涵养水源退化土地的恢复,以及大气二氧化碳减方面的生态功能。
- People plant trees on barren hill sides for soil erosion control. 人们在荒丘上种植了树木,以减少水土流失。
- Gully erosion damages land resources and causes site off environmental problems. 切沟侵蚀不仅破坏土地资源,而且影响下游地区环境。
- The region of flow produce is loose embankment and the flat roof, the gully erosion chain is the main cause of the sediment yield increase. 弃土场内主要的产流区域为松散边坡和平台,坡面的侵蚀链是造成区域内产沙量增加的主要原因。
- The debris flow gully erosion exposes the foundation of bridge or embankment.Its hazards are not inferior to that of silting. 泥石流沟道侵蚀的危害(桥梁、堤防基础暴露等)不亚于泥石流淤积。
- In order to evaluate the effect of incorporation of forage with forest and shrubby on erosion control, runoff plots were constructed in 2001 in Jinsha River Experimentation Demonstration Plots. 摘要为评价牧草在防止水土流失上的作用,2001年在金沙江流域退耕还林还草综合配套技术试验示范区建立了径流观测场。
- Material: made from PVC, oil and erosion control, heat resisting up to85℃. 材质:采用优质pvc制成,能防止油性及其他物质侵蚀.
- The developments of industry and agriculture have been badly restricted for the severe gully erosion in the gentle hilly black soil regions in Northeast China. 摘要东北黑土漫岗区侵蚀沟发育广泛,侵蚀沟的发展已经严重影响到了该区工农业生产的发展。
- Vetiver Type of fodder grass, common in Africa. Also used for erosion control. 一种饲料草,在非洲很普遍,也用于控制水土流失。
- On the base, the gully erosion process, the gully erosion developing condition and the interactivity between sheet erosion and gully erosion have been described. 在此基础上,对侵蚀沟由顺犁沟发展至槽沟的发展过程、发展条件,以及面蚀与沟蚀的发展转化关系进行了阐述。
- And the major contributor of erosion control is the CO2 pressure diversion. 其中,CO2分压是控制腐蚀危害的主要因素。
- Eurasian grass grown in United States great plains area for forage and erosion control. 生长于美国大平原地区的欧亚草种,用作饲料或控制水土流失。
- Control forest moles were tested by biological sterile drug.The results showed pregnant rate of female nature mole was decreased 55%.More biological drug dosage the more effect. 通过生物性不育剂防治森林害鼠试验,结果表明,雌成年鼠怀胎率下降55%25,高投药量会得到高效。
- Asian shrub having conspicuous racemose rose-purple flowers widely used as an ornamental and in erosion control and as a source of wild-bird feed. 亚洲的一种灌木,花紫色,呈显著总状花序,广泛用作观赏植物,是野鸟的食源,并可控制水蚀作用。
- Geotextiles include textiles for ground stabilization, erosion control, drainage, asphalt and moisture proofing. 土工织物包括稳定地层用织物,防水土流失织物,道路用织物以及防潮织物。
- Abstract: The effect of erosion control by agroforestry is an essential factor of little catchment planning. 摘要:农林复合系统的侵蚀控制效益是在小流域整治规划中必须考虑的重要因素。
- Study of Monitoring Gully Erosion Using GPS 利用GPS进行切沟侵蚀监测研究
- Sun Hui, Tang Ya, Chen Keming, et al. Effect of contour hedgerow system on slope lands erosion control[J]. 孙辉;唐亚;陈克明;等.;固氮植物篱防治坡耕地土壤侵蚀效果研究[J]
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries