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半干旱区     
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  semiarid area
     Studies on the Spatial Pattern Changes of Agricultural Landscape in Semiarid Area
     半干旱区农业景观空间格局变化研究——以和林格尔县舍必崖乡为例
短句来源
     An experiment in the banlanced fertilization in semiarid area of central Gansu was conducted. The best yield was 24 216.7 kg/hm2 that was 1.2 times of local production level. Compared with the yield in non-P treatment,the treatment with 1/2 more P resulted in the of 7 510.8 kg/hm2(increased by 44.96%).
     在陇中半干旱区旱地进行了马铃薯平衡施肥试验,结果表明:马铃薯最高产量达24 216.7kg/hm2,是当地平均产量的1.2倍,高磷处理比无磷处理增产马铃薯7510.8 kg/hm2,增幅44.96%,1kg P2O5增产马铃薯25kg,纯收益增加3 262元/hm2,施磷效益极显著。
短句来源
     The Analysis of the Potential Productivity,Exploitation and Utilization of Climate-Soil Resources in Semiarid Area of Jilin Province
     吉林省半干旱区气候土壤资源潜力分析及其开发利用
短句来源
     An Integrated Evaluation Model on Regional Sustainable Development in Arid and Semiarid Area of Northwest China
     西北干旱、半干旱区区域可持续发展综合评价模型研究
短句来源
     TECTONIC ACTIVITY IN SEMI ARID AREA OF NORTH CHINA DURING LATE QUATERNARY
     中国北方半干旱区第四纪晚期构造活动性
短句来源
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  semi-arid area
     Using EOF and REOF methods,the precipitation data of 12 meteorological stations through April and October from 1971 to 2000 located in the arid & semi-arid area in Gansu Losses Plateau were decomposed,and the distribution characteristics and time trends were analysed.
     对甘肃黄土高原干旱半干旱区12个站1971~2000年4~10月降水,用EOF和REOF方法进行了分解,分析其空间分布特征和时间变化规律.
短句来源
     The effect of Coupling of Water and Fertilizer and the Dynamic Changes of Water and Phosphorus in the Semi-arid Area
     半干旱区水磷耦合效应及土壤水磷的动态变化
短句来源
     Quantitative evaluation of land resources of small watershed in hilly semi-arid area of China
     丘陵半干旱区小流域土地资源定量化评价研究
短句来源
     Studys on the modeling of soil salinization in semi-arid area based on GIS and Geo-CA model
     基于GIS与Geo-CA模型的半干旱区土壤盐碱化动态模拟研究
短句来源
     Study oh Technique of High-efficiency Utilization of Rainfall Resources in Semi-arid Area
     半干旱区降水资源高效利用技术研究
短句来源
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  semi-arid region
     Ecological problems in arid and semi-arid region and the landscape theories of landscape connectivity, natural disturbance, river corridor and patch hydrological function are dwelled on.
     分析了干旱半干旱区存在的一些生态问题 ,论述了与干旱半干旱区水资源可持续利用有关的景观生态学理论 ,其中包括景观连通性、自然干扰、河流廊道和斑块水文功能 .
短句来源
     Responses and Adaptations of Typical Plants to Climate Change and CO_2 Concentration Enrichment in Semi-arid Region
     半干旱区典型植物对气候变化与CO_2浓度升高的响应与适应
短句来源
     Characteristics of Water Utilization in Border Row and Optimum Disposition Structure in Plantation in Arid and Semi-Arid Region
     干旱、半干旱区人工林边行水分利用特征与优化配置结构研究
短句来源
     For the purpose of validating IBIS in semi-arid region and eventually improving the model's capability for specific land cover types in China, a simulation for the whole 2003 year was conducted over cropland and degraded grassland underlying surfaces in Tongyu field observation station (44°25'N, 122°52'E) in Jilin Province of China, which is one of the reference sites of international Coordinated Enhanced Observing Period (CEOP).
     首先,通过应用该模型对国际CEOP计划半干旱区基准站之一的吉林通榆观测站(44°25′N,122°52′E)草地和农田生态系统2003年全年的CO_2和水、热通量变化进行模拟,并将结果与涡度相关法测定的观测值进行了对比分析,以检验IBIS模型在半干旱区的模拟能力。
短句来源
     Study on Grassland Community Structure and Biomass in Semi-arid Region of Southern Ningxia Hui Autonomous Region
     宁南半干旱区草原群落结构与生物量的研究
短句来源
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  semiarid region
     Technology of Afforestation in Semiarid Region
     半干旱区造林技术初探
短句来源
     Study on Water and Density Growth Effect of Locust Forest at Semiarid Region on Loess Plateau
     黄土高原半干旱区人工刺槐林水分密度生长效应研究
短句来源
     Discussion on the Utilization of Excellent Wild Grasses in Semiarid Region of the Loess Plateau
     黄土高原半干旱区野生优良牧草利用探讨
短句来源
     Relation between Young Spike Differentiation of Different Ecotypes of Wheat in Extremely Cold and Semiarid Region and the Effect of Temperature
     不同生态型小麦在高寒半干旱区幼穗分化过程与温度效应的关系
短句来源
     Crop Growth Model and the Regulation of Water and Nutrients in Farmland in Semi Arid Region
     半干旱区农田水肥调控试验与作物生长模型
短句来源
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  semiarid area
Water diffusion coefficients of horizontal soil columns from natural saline-alkaline wetlands in a semiarid area
      
Along a precipitation gradient from the semi-moist area to the semiarid area, then to the arid area, the δ13C values of C4 plants show a slight decreasing trend.
      
The crop grew in the semiarid area was taken as an example to carry out the numerical simulation analysis, therefore the results provide the quantity basis for the field management.
      
Groundwater arsenic concentration increases down the valley can be best correlated with the intensity of ditch irrigation in this semiarid area.
      
Groundwater problems in a semiarid area (Low Andarax river, Almeria, Spain)
      
更多          
  semi-arid area
In the semi-arid area of the Loess Plateau, Caragana korshinski, a leguminous shrub, is the dominant plant species widely used in vegetation rehabilitation programs.
      
The results of a bioindication study based on the diversity of epiphytic lichens in a semi-arid area of South Italy are presented.
      
The VIPD is derived from Landsat ETM+multi-spectral data, and the resulting NPP estimation is compared with ground data measured in a semi-arid area of Mongolia.
      
We use data from a semi-arid area in the Sanmatenga province of Burkina Faso, an area known to experience land-degradation problems.
      
Robinia pseudoacacia stands act as a typical ecological protection forest in hilly semi-arid area of China.
      
更多          
  semi-arid region
Plant species diversity of wetland ecosystem in an arid and semi-arid region in northwest China
      
Factors affecting transpiration of Pinus tabulaeformis in a semi-arid region of the Loess Plateau
      
Water and ion balance in a corn field in the semi-arid region of the upper Yellow River basin (Inner Mongolia, China) was analyzed with special reference to transpiration stream and selective nutrient uptake driven by the crop canopy.
      
Fractal characteristics of soil under different land-use patterns in the arid and semi-arid region of the western Tibet Plateau,
      
Effects of adding water on seasonal variation of soil nitrogen availability under sandy grasslands in semi-arid region
      
更多          
  semiarid region
Diurnal Course of Gas Exchange and Water Use Efficiency of Platycladus orientalis in the Semiarid Region of the Loess Plateau
      
Enterobius vermicularis infection in preschool and schoolchildren of six rural communities from a semiarid region of Venezuela:
      
The active affects of shelterbelts on environment in the semiarid region of Northeast China
      
However, the UH application should be strictly modified in accordance with precipitation conditions in the arid and semiarid region of north China where the precipitation duration is short and the intensity is unstable.
      
The developed DTVGM model was applied to two cases in the Heihe River Basin that is located in the arid and semiarid region of northwestern China and the Chaobai River basin located in the semihumid region of northern China.
      
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