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- The area of mine exploitation and outer dump or digging are large in steppe,which destroyed many grassland resources and also formed lots of new soil and water losses. 草原区的煤炭开采,大量的挖损和排土场岩土排弃占地面积大,人为堆垫的松散堆积物形成再塑地貌,破坏大面积草场原地貌环境,是新生水土流失的源地。
- Jiangxi is one of the provinces for severe soil and water loss. 摘要江西是我国水土流失较严重的省份之一。
- new soil and water loss 新增水土流失
- The Effect of Polyacrylamide on Preventing Soil and Water Losses. 聚丙烯酰胺防治水土流失的效果。
- In the absence of appropriate plants to protect soil and water, once exposed on the ground floor of frozen soil in summer, a new layer of topsoil vulnerable to snow water loss. 由于缺乏适当的植物来保护水土,一旦将地下的冻土裸露于夏日,新的一层表土极易受雪水冲失。
- Plough land located at sloping areas is the major part for soil and water loss. 坡耕地是水土流失的主体,加快退耕还林步伐和加速坡耕地治理是当务之急。
- Fina lly,the major countermeasures and methods for controlling of soil and water loss es have been suggested. 最后,从技术和政策方面,提出了防治水土流失和洪涝灾害的策略性意见和途径。
- The study shows that P3 and P4 cropping systems better preserves soil and water loss than the other two systems. 种植试验结果表明:紫花苜蓿+青蒿模式和连翘+紫苏种植模式能较好地保持水土。
- Consequently, the control of soil and water loss on Sloping Dry Farmland is the bey to the sustainable agriculture development in Sichuan Province. 因此,坡土的水土流失治理是我省持续农业发展的重要基础。
- With a case study in Guangzhou city, man-made soil and water loss and its hazards of Zhujiang Delta area were discussed in this paper. 以广州市为例,重点分析人类活动造成的水土流失现状与危害。
- Amaranthus Sp. is fast growing, high temperature resistance and suitable to plant in soil and water loss region of purple sandshale in Nanxiong City. 摘要籽粒苋生长迅速,极耐高温,适宜在南雄市紫色砂页岩水土流失区种植栽培。
- In this paper,these pollution produced by soil and water loss is defined as nonpoint pollution of soil and water loss type(NPSWLT). 本文定义这种污染方式这种为水土流失型非源污染。
- The projects not only have some inherent connections with soil and water loss, but also possess their own particularities. 开发建设项目水土流失与自然因素造成的水土流失有内在的联系,但又有其特殊性。
- Furthermore, the design of terrace should be paid more attention to according to local physical conditions, in order to control soil and water loss. 此外,还要根据当地自然条件设计好梯田田块和田面,以防治水土流失。
- This p aper analyzes the present situation of the soil and water loss in Xianjuyuan Cemetery,a nd puts forward corresponding contr ol measures. 分析了仙居园水土流失的现状,并提出了相应的治理措施。
- Southern Xinjiang is one of the most serious districts facing up with the desertification disaster,it has serious soil and water loss. 南疆地区是我国沙漠化危害最严重的地区之一,水土流失现象较为严重。
- So, it is necessary to adopt the biological and engineering measures to solve soil and water loss problems in the Dasha River. 因此,在大沙河流域采用生物和工程措施治理水土流失是非常重要的。
- De-farming and restoring forest are principal policies presently for the improving of eco-environment and the reducing of soil and water loss in the Loess Plateau. 摘要退耕还林还草是目前黄土高原整治生态环境和控制水土流失的主体政策。
- According to the mensurated data of the soil and water loss area in plateau section, the grassplot ability in preventing loss of soil and water is much more better than woodland. 根据黄土高原水土流失区测定资料,草地防止水土流失的能力明显高于林地。
- The rapidly by day worsening ecological environment is the key restriction for economy development in western China, in which soil and water loss is the most important issue. 日益恶化的生态环境是制约西部地区经济发展的关键所在,而水土流失是西部地区最主要的生态环境问题。