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   盐碱地 在 自然地理学和测绘学 分类中 的翻译结果: 查询用时:1.402秒
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盐碱地     
相关语句
  saline land
    Planned area is 340.9 km~(2) in the plan for D aqing of the Ha-Da-Qi Industrial Corridor,including saline land 320 km~(2).
    在哈大齐工业走廊用地总体规划中,大庆市共开发340.9km2,其中盐碱地达320km2。
短句来源
    A Research on Characteristics and Rational Exploitation of Soda Saline Land in the Western Songnen Plain
    松嫩平原西部盐碱地特点及合理利用研究
短句来源
    In the paper, it is emphasize on experiment research for field soil water and salt movement, and construct reasonable two-dimension soil water numerical model and salt balance to simulate field soil water movement, and analyze the transformation relation of irrigation water quantity, drainage water quantity and discharge salt quantity in the reclamation early days of saline land.
    并且构建出合理的土壤水分二维数值模型和盐量平衡模型模拟田间土壤水分运动,效果良好,并分析盐碱地在开垦初期灌溉用水量、排水量与盐分含量增减的关系,从而将整个农田水盐运动结合起来。
短句来源
  alkaline land
    Necessity and Feasibility of Biotic Improving the Saline and Alkaline Land in Xinjiang
    新疆盐碱地生物改良的必要性与可行性
短句来源
    Research on the Integrate Control to Saline and Alkaline Land of Xinjiang
    新疆盐碱地的综合治理研究
短句来源
    Chapter 2 introduces the basic situation of the Shulehe region, and analyses the reason why the salt and alkaline land forms.
    第二章介绍了疏勒河项目区的基本情况,并分析了盐碱地形成的原因;
短句来源
    Utilizing the resource of saline and alkaline land, ameliorating the salinization cropland, are the important link of the developing agricultural production ,in regions of saline and alkaline land.
    盐碱地资源的利用、盐渍化耕地的改良 ,在有盐碱地的地区 ,是农业生产发展的重要环节之一。
短句来源
    The area of the saline and alkaline land in Xinjiang which have 21 814 thousand hectare, is 22.01% by comparison with the total area of saline and alkaline land of the whole country.
    新疆盐碱地总面积 2 181.4× 10 4 hm2 ,占全国盐碱土 (9913× 10 4 hm2 )面积的 2 2 .0 1% ;
短句来源
更多       
  saline ground
    Studies on Soil Salinity Change by Planting Salt-tolerant Wheat in Saline Ground in Xinjiang
    新疆盐碱地种植耐盐小麦土壤盐分的变化
短句来源
  saline alkali
    The Cause and Countermeasure for the Saline Alkali Soil beside the Huangshui River of Ledu County
    乐都县湟水两岸盐碱地成因及治理对策
短句来源
    How to master the distribution of soil, especially the distribution of saline alkali soil and the saline alkali degree in the whole transformation area before exploration, how to test the result of transformation effectively are the problems that must be faced during the exploitation.
    如何快速全面的了解整个改良区的土层分布情况及盐碱化程度,如何对改良的效果进行有效的检测,是盐碱地改良工作中所要解决的问题。
短句来源
    In order to make scientific and technical researches between different subjects, all those methods will be used in the national key programs of the Ninth Five Year Plan: comprehensive management of saline alkali land and agricultural sustainable development in the Songnen Plain.
    并拟在国家”九五”重点科技攻关项目专题- 松嫩平原盐碱地综合治理与农业持续发展研究中采用此项技术方法,进行跨学科的技术应用研究。
短句来源

 

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      saline land
    Detection of Coastal Saline Land Uses with Multi-Temporal Landsat Images in Shangyu City, China
          
    rostrata is moderately salt tolerant and may be utilized as forage crop and green manure on saline land.
          
    The frequent temporal and spatial transition in source class, grassland, alkali-saline land and irrigated cultivated land caused negative effects on the oasis environment.
          
    To the extent new cropland can be developed from unused saline land, further land clearing and loss of C storage in forest fallow and old growth forests can be spared, thereby adding to the carbon sequestering potential of all usable ecosystems.
          
    Feasibility Study of Salicornieae as Oil-seed Halophytes for Saline Land and Water.
          
    更多          
      alkaline land
    The result shows that there were rapid increases in the area of cropland, saline-alkaline land, and dramatic decreases in grassland, water area and wetland between 1986 and 2002.
          
    frigida steppe and eight non-grassland types: active cropland, harvested cropland, urban area, wetland, desertified land, saline and alkaline land, cloud, water body + cloud shadow.
          
    The area of soil salt accumulation was greater in irrigated than in non-irrigated landscape types with an increasing of 40.04% from 1983 to 2005 in cropland at ~0.43?t ha-1 year-1, and an increase at ~0.68?t ha-1 year-1 in saline alkaline land.
          
      saline ground
    Appropriate tree species and planting methods can help rehabilitation of arid areas - that are characterized by low rainfall, high evapotranspiration demands, highly saline ground waters and calcareous subsoils.
          
    The flux of DOC associated with the discharge of these saline ground waters is 600 mg carbon m-2 d-1, which represents a significant fraction of the annual DOC budget for North Inlet.
          
    Nearly 60 per cent of the geographical area of Haryana state in Indian Union is underlain by saline ground water.
          
    The field studies demonstrated that approximately 40to 45% of the water requirement for cotton can bederived from shallow saline ground water.
          
    Drip Irrigation of Tomato and Cotton Under Shallow Saline Ground Water Conditions
          
    更多          
      其他


    Salt lick in the Huang river basin is distributed in the valley region mainly. The area of saline land counts for more than 7% of the wet land in this basin. Combining with the hydrugeologic conditions of the salt lick region. the layout of underground pipeline. the selection of pipeline material. the barring depth and interval, and the hydraulic calculation of underground pipeline are analyzed in this paper. The construction procedure and management method are then summarized.From preliminary statistics, the...

    Salt lick in the Huang river basin is distributed in the valley region mainly. The area of saline land counts for more than 7% of the wet land in this basin. Combining with the hydrugeologic conditions of the salt lick region. the layout of underground pipeline. the selection of pipeline material. the barring depth and interval, and the hydraulic calculation of underground pipeline are analyzed in this paper. The construction procedure and management method are then summarized.From preliminary statistics, the average crops productivity of the experimental area varies from 3750 to 6000kg/hm2, and in some area it can be as high as 7500kg/hm2. On average, the productivity increases about 2250 to 3000kg/hm2 than the value before the improvement of the salt lick.The economic profit is significant.

    湟水流域的盐渍土主要分布在河谷地区,盐碱地面积已占流域内水地面积的7%以上。结合盐渍区的水文地质条件,对暗排系统的布置、管道选材、暗管的埋深和间距、暗管的水力计算等内容进行了分析,并制订了暗排工程具体的施工步骤和管理措施。据初步统计,暗排试区平均粮食产量为3750~6000kg/hm2,个别试区高达7500kg/hm2,较治理前平均增产2250~3000kg/hm2,经济效益十分显著。

    Well irrigation and well drainage" was adopted to ameliorate saline-alkaline land in the 1960's in Feng Qiu and Yucheng, and "pumping saline-water and suppling fresh water" was used to improve saline-alkaline land in the 1960's in the northern part of China.On the bases of the specific conditions in Bei Qiu in Yucheng City, we adopted a method of intensive pumping and irrigation to ameliorate saline-alkaline land. The improvement is distinct, and the treatment period is shorter.After intensive pumping and irrigation,...

    Well irrigation and well drainage" was adopted to ameliorate saline-alkaline land in the 1960's in Feng Qiu and Yucheng, and "pumping saline-water and suppling fresh water" was used to improve saline-alkaline land in the 1960's in the northern part of China.On the bases of the specific conditions in Bei Qiu in Yucheng City, we adopted a method of intensive pumping and irrigation to ameliorate saline-alkaline land. The improvement is distinct, and the treatment period is shorter.After intensive pumping and irrigation, the ecological conditions can be long maintained by spreading manure, intertilling and loosening the soil, covering with crops at all seasons, salt content in the cultivated layer is less than 0. 2%, and crops grow very well for 4 years.It is clear that irrigation can leach salt of soil, spreading manure and nitertilling-loosenning the soil can improve root condition. Pumping saline water and Levelling of land can strengthen the improving effect.

    在改良盐碱地的措施中,60年代在山东禹城和河南封丘采用“井灌井排”的方法,70年代在我国北方部分地区采用“抽咸换淡”的方法。在上述两种方法的基础上,80年代末期,根据禹城市北丘洼的具体条件,采用了“强排强灌”的方法改良重盐碱地。后一种改良方法的特点是周期短,效果显著,当年改良当年可以有收益。改良后的土地人工生态系统的稳定性可以通过一年四季种植作物、灌溉、施肥和中耕松土等农业措施,长期维持。

    On the wastelands and the abandoned cultivated lands in the Hetao salinized rangeland area,after we had been planting tbose alkaline-saline-resistant & good quality forage grasses,the water and salt contents in the soil and their changing laws governing pH values, then all those soil water and salt contents as well as mutually changing relationship of pH value in the soil layer in both spring and autumn seasons,in addition to those laws concerning changing & variational situation of pH values then analyzed and...

    On the wastelands and the abandoned cultivated lands in the Hetao salinized rangeland area,after we had been planting tbose alkaline-saline-resistant & good quality forage grasses,the water and salt contents in the soil and their changing laws governing pH values, then all those soil water and salt contents as well as mutually changing relationship of pH value in the soil layer in both spring and autumn seasons,in addition to those laws concerning changing & variational situation of pH values then analyzed and determined. On the basis of analytical data obtained in great amount,the authors have discussed and concluded that quite lots of influences affected the soil salt contents and pH values offered for our reference.

    对河套地区盐碱荒地,弃耕地种植耐盐碱优良牧草后的土壤含盐量、含水量、pH变化规律,对土壤含水量、含盐量、pH相互变化关系及春季、秋季土壤含盐量、pH变化规律连续数年进行了分析测定。在大量分析数据基础上,总结探讨了种草对盐碱地土壤含盐量,pH的影响。

     
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