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土壤保护     
相关语句
  soil conservation
     3) Either in county scale or in field scale,the behaviors of grain production and soil conservation are two parts of a game;
     3)不论是县域尺度还是农户尺度,粮食生产与土壤保护始终是一组博弈行为;
短句来源
     The paper,viewed from sustainability and sustainable development,discussesthe concept and basic contents of sustainable agriculture and agricultural sustainability by taking soil conservation,diversified cropping system and application ofbiological technology as its basic contents.
     本文从持续发展、持续性等基本概念出发,进而讨论了持续农业与农业持续性的概念和持续农业的基本内容(土壤保护、多样化的耕作制度和生物技术的应用)。
短句来源
     (4) Dust Bowl, Soil Conservation and the Boom in Hydraulic Engineering (1930’s and after).
     (4)沙尘暴,土壤保护以及水利工程的兴起(20世纪30年代以后)。
短句来源
     The soil conservation in the United States shifted the emphasis on reducing soil erosion for increasing the productivity of fields onto reducing the effect of soil erosion on environment in 1970's.
     60年来美国开展了大量的土壤侵蚀治理项目,土壤保护经历了由注重减轻田间土壤侵蚀、增加土壤生产力到注重减轻土壤侵蚀对环境影响的转变。
短句来源
     Based on the investigation and analysis of dryland farming in west America, this paper gives an introduction of planting systems and farming techniques in this area, snch as land leveling, automatic sprinkling irrigation, soil conservation, dryland machinery and livestock raising, which may be used as a refrence for similar areas.
     通过对美国西部旱地农业的实地考察分析,介绍了当地旱地农业耕作种植制度,平整土地、自动喷灌、土壤保护、旱地机械及饲养业; 可供有关同类地区参考。
短句来源
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  soil protection
     Ecological Principle of Soil Pollution and Organic Agricultural Soil Protection
     论土壤污染与有机农业土壤保护的生态学原理
短句来源
     The influence of soil-erosion on dry farming in Sichuan was reviewed, and the target of soil protection in agricultural region, the important zones for soil protection in the province, the grounds and main points of technology for soil protection were proposed in this paper.
     本文论述了土壤侵蚀对四川旱地农业的影响,提出了农区土壤保护的目标、土壤保护的重点区域和土壤保护技术的依据和要点.
短句来源
     Based on the evolve process review of European Union's environmental policy,the trends of environmental policy in the fields of water protection,air and noise pollution prevention and control,waste management,chemicals and pesticides management,wild fauna and flora protection, and soil protection,and,the kinds of accessorial instruments for implementation of above-mentioned environmental policy are analyzed.
     在回顾欧盟环境政策发展历程的基础上,重点论述了2000年以来欧盟在水环境保护、空气污染防治、噪声污染防治、固体废物管理、化学品与杀虫剂管理、野生动植物保护和土壤保护等领域的政策发展趋势,以及为实施其环境政策所引入的各种辅助手段。
短句来源
  topsoil protection
     Primary Analysis on Topsoil Protection Benefits of Shenyang Hunnan New District
     城市扩展区土壤保护效益分析—以沈阳浑南新区为例
短句来源
  soil preservation
     The ecological value assessments of Changbai Mountain forests include the following aspects:organic substance production,CO 2 fixation,water source conservation,soil preservation,nutritional circulation,contaminant degradation,pert control,etc.
     对长白山和龙林区森林间接经济价值评估包括对有机物生产、CO2 的固定、涵养水源、土壤保护、营养循环、污染物降解、病虫害防治等方面的评估。
短句来源

 

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      soil conservation
    Relationship and its ecological significance between plant species diversity and ecosystem function of soil conservation in semi
          
    Ecosystem health is the object of water and soil conservation and ecological building in loess hilly areas under erosion environment.
          
    Appropriate density of water and soil conservation of Pinus tabulaeformis and Robinia pseudoacacia forests in loess area, North
          
    In this paper, based on a long-term monitoring of water cycle in the water and soil conservation forest stands of Pinus tabulaeformis and Robinia pseudoacacia, the soil moisture deficit is calculated.
          
    In addition, with long-term monitoring of soil moisture in stands, the authors also give an appropriate managing density specifically for the water and soil conservation forests of P.
          
    更多          
      soil protection
    multifunctional) risk-based standards, Target and Intervention Value, have been developed, in the framework of the Dutch Soil Protection Act.
          
    The ecological functions assessed in the study relate to six aspects: soil protection, water conservation, CO2 fixation, nutrient cycling, pollutant decomposition and disease and pest control.
          
    Certified reference materials to support a European thematic strategy for soil protection: the EUROSOILS (IRMM-443) experience
          
    The recent proposal of thematic strategy for soil protection by the European Commission outlines that knowledge of problems associated with soil has increased considerably based on surveys, monitoring systems and data networks.
          
    At critical concentrations set by the Dutch Soil Protection Act, Cr, Cu, Ni, and Zn inhibited arylsulphatase by 53, 35, 48 and 97%, respectively.
          
    更多          
      topsoil protection
    Due to its high biomass production supporting soil acidification pure Acacia auriculiformis stands seemed to be less favourable for improving soil fertility on planted fallows but more suited for firewood plantations and topsoil protection.
          
      soil preservation
    In the long run, only concentration of machine traffic on permanent skid trail systems guarantees an adequate soil preservation.
          
    Inadequate experimental estimations of organic matter input rates and insufficient modelling of the soil preservation capacity for organic matter and biomass are likely reasons.
          
    Erosion impacts on soil preservation as a resource for crop production was considered in this evaluation.
          
    Furthermore, the extracted wind erosion obstacles can be used in many applications such as precision farming and soil preservation.
          


    The influence of soil-erosion on dry farming in Sichuan was reviewed, and the target of soil protection in agricultural region, the important zones for soil protection in the province, the grounds and main points of technology for soil protection were proposed in this paper.

    本文论述了土壤侵蚀对四川旱地农业的影响,提出了农区土壤保护的目标、土壤保护的重点区域和土壤保护技术的依据和要点.

    The effects of sediment environment and microgeomorphologic features on soil formation and distribution were studied based on the correspendence relation of mi-crogeomorphology-soil-agriculture utilization in modern Yellow River delta. The suitability of salt soil for farming in this area was also evaluated with directions for rationally conservation and utilization of the soils.

    本文以近代黄河三角洲的微地貌—土壤—农业利用为主线,定量说明沉积环境、微地貌特点对土壤形成及分布的影响,总体评价其盐渍化土壤环境对种植业的适宜性。并有针对性地提出土壤保护利用方向。

    The paper,viewed from sustainability and sustainable development,discussesthe concept and basic contents of sustainable agriculture and agricultural sustainability by taking soil conservation,diversified cropping system and application ofbiological technology as its basic contents.In the light with China's national conditions, the author puts forward basic tasks of Sustainable Agriculture:1) to optimize agricultural structure according to local conditions, improve cropping system,reduce exhausting rate and raise...

    The paper,viewed from sustainability and sustainable development,discussesthe concept and basic contents of sustainable agriculture and agricultural sustainability by taking soil conservation,diversified cropping system and application ofbiological technology as its basic contents.In the light with China's national conditions, the author puts forward basic tasks of Sustainable Agriculture:1) to optimize agricultural structure according to local conditions, improve cropping system,reduce exhausting rate and raise utilization ratio to agricultural resources;2)to protect and utilize agricultural resources rationally;3)to conserve biodiversity;and 4)to prevent pollution induced by agricultural development. Finallythe author makes a brief analysis on the relationship between sustainable agriculture and food security system,

    本文从持续发展、持续性等基本概念出发,进而讨论了持续农业与农业持续性的概念和持续农业的基本内容(土壤保护、多样化的耕作制度和生物技术的应用)。结合我国国情,提出了持续农业的基本任务:因地制宜,优化农业结构,改进耕作制度,降低农业资源的消耗速度,提高其利用率;保护并合理利用农业资源;保护生物多样化;防治农业污染。最后就持续农业的发展与粮食保障体系的建立做了初步分析。

     
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