曲周县
- 网络quzhou county
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曲周县作物施肥系统的实施与评价
Implementation and evaluation of the crop fertilization sysytem in Quzhou county
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河北省曲周县设施农业资源利用程度评价
Evaluating resources utilization degree of protected agriculture in Quzhou County in Hebei Province
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对曲周县21年(1981-2001)的降雨资料进行了年型划分,在此基础上确定了该农田每次最佳灌水量为60~70mm。
Based on the rainfall data ( 1981-2001 ), the optimal irrigation schedule for winter wheat and summer maize were established in this study area . It was concluded that the optimal amount of irrigation was 60-70 mm .
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曲周县畜牧业规模效益分析
Benefit Analysis on Animal Husbandry Scales in Quzhou County
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农用土地资源利用的可持续性评价&以河北省曲周县为例
Sustainability Evaluation of Farmland Utilization in Quzhou County
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华北盐渍化改造区农田蚯蚓生态学研究&以河北省曲周县为例
An Ecological study on earthworm in farmland of salinity transforming area in north China plain
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农作系统养分平衡的研究&以河北省曲周县为例
The Nutrient Balance and Cycling of Farming Systems : A Case Study of Quzhou County
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用规划方法安排干旱和半干旱地区的农田灌溉方案&以河北省曲周县冬小麦为例
A scheme for arranging cropland irrigation in arid and semiarid regions by means of planning method
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黄淮海平原农区不同类型农户的土地利用方式选择及其环境影响&以河北省曲周县为例
The farm household 's choice of land use type and its effectiveness on land quality and environment in Huang-Huai-Hai Plain
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现代种植业系统结构变化分析&以河北省曲周县为例
Analysis on the Change of Structure of the Modern Planting System & A Case Study in Quzhou County , Hebei Province
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在水流模型的基础上进一步建立了曲周县地下水中盐分运移模型,选取矿化度作为模拟因子。
The groundwater salt migration model was established on the basic of flow model . Salinity was selected as modeling factor .
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集约化农区土地利用变化对土壤养分的影响&以河北省曲周县为例
The Influence of Land Use Change on Soil Fertility in Intensive Agricultural Region : A Case Study of Quzhou County , Hebei
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基于因子分析法的县域土地利用程度时空变异分析&以河北省曲周县为例
Analysis of Spatial-temporal Differentiation of Land Use Degree Using Factor Analysis on County Regional Scale & The Case of Quzhou County of Hebei Province
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高产粮区农业生态系统土壤碳氮循环的模拟研究&以河北省曲周县为例
Study on the simulation of soil carbon and nitrogen cycle in agro-ecosystem in high yields area & A case study of Quzhou county Hebei province
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对华北冲积平原曲周县的139个观测点取样分析,测定了其浅层地下水埋深、地下水含盐量以及硝酸盐含量。
Observing points were sampled in Quzhou County in Huabei plain . The depth of groundwater , salt and nitrate content of groundwater were measured .
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以河北曲周县北部盐渍土区为基地,重点研究了土壤和地下水以阴离子组分为基础的化学类型的动态,以及主要化学组分的垂向变化和动态。
The dynamics of chemical types and main components in vertical profile of soil and groundwater in salt affected soil area are focused in this paper .
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城镇与农村住户收入与支出差距结构分析以河北省曲周县19962004年为例
Difference Analysis of the Income and Payout in Town and Country Residents & A Case Study of Quzhou County in Hebei Province from 1996 to 2003
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集约化农区近50年耕地数量变化驱动机制分析&以河北省曲周县为例
The progress and driving forces of change in arable land in intensive agricultural region during the past 50 years-A case study of Quzhou county in Hebei Province
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以曲周县为例进行土地利用景观评价,探索了在土地利用规划中引入景观生态评价方法的可能性。
This paper illustrates the Quzhou county as an example of the landscape evaluation and explores the possibility of introducing the landscape ecology evaluation into land use planning .
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不同作物和种植制度的养分平衡情况及不同农户的养分投入情况与曲周县的整体情况大体一致。
The nutrient balance in different kind of crops and cropping systems , as well as the nutrient input of different farmers were similar pattern with Quzhou county .
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本文以曲周县为例,首先采用特尔斐法选取了14项因素作为耕地地力评价因子;
Taking Quzhou county , Hebei Province as an example , at first , applying the Delphi method , 14 indicators have been chosen to evaluate cultivated lands .
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研究结果表明:(1)新兴县、曲周县和安塞县在人口、经济、社会、生产等方面存在较大的差距,总体上新兴县的农村发展水平高于曲周县和安塞县;
The findings are as follows : ( 1 ) There is a significant difference between three counties in population , economy , society , production and so on .
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1996与1997年在河北省曲周县盐渍化改造区,采用陷阱法调查了农田中步甲的物种组成与数量分布。
In 1996 and 1997 , a carabid community and its fluctuation were studied by the pitfall method in the salinity transforming area in Quzhou County , Hebei Province , China .
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在农户调查基础上,采用比较优势分析法对曲周县2003&2004年度冬小麦产量差异进行分析。
Based on a two-year household survey data , the yield gap of winter wheat in Quzhou County of Hebei Province , China in2003-2004 was studied through comparative performance analysis ( CPA ) .
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以河北省曲周县为例,基于区域自然环境变化的基础上,研究了现代种植业系统的变化特点,主要表现为种植业用地占有相当大的比重而牧业用地萎缩;
Based on the natural environment change , in this paper a case study on the change characteristics of land use structure and planting structure in Quzhou County , Hebei Province , is carried out .
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而曲周县景观变化较为缓慢,农村居民点扩展强度大,耕地和农村居民点景观是其优势景观类型。
But the landscape of Quzhou county changes comparatively slowly , and the rural residential area expand intensity is big . The cultivated land and rural residential area are the predominant landscape in Quzhou county .
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在河北平原南部的曲周县四町乡河间洼地一深为250cm的探坑中,取得50~250cm深度范围的沉积物样品。
Sediments were sampled from the depth range of 50 ~ 250 cm in a 250 cm-deep pit that is located in an inter channel depression in Sitan Township , Quzhou County , southern Hebei Province .
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曲周县位于严重缺水的华北平原,水资源缺乏,而且地下水含盐量普遍偏高,水资源供需矛盾的日渐突出,严重制约了社会经济的可持续发展。
Quzhou is located in the north China plan which is shortage of water . Groundwater salinity is higher , the contradiction between supply and demand of water out gradually had became restrictive factors of economic development .
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与此同时,论文选择了广东省新兴县、河北省曲周县、陕西省安塞县为典型案例进行研究。
This paper chooses the Xinxing county , Guangdong province in East China , Quzhou county , Hebei province in Middle China , and Ansai county , Shanxi province in West China as typical case for study .
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针对无公害生产环境质量的综合评价,采用污染指数法对曲周县蔬菜产地的水、土和大气环境质量进行了分析和综合评价。
In view of the assessment of environmental quality for pollution-free agricultural product , it was analyzed and assessed that the water , soil , and air environmental quality of vegetable production base in Quzhou County , with the comprehensive pollution index method .