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soil water content

  • The water retention curve is one of the essential links to study the soil water movement.

    土壤水分特征曲线土壤水分运动研究必不可少环节之一。

    stbcyj.alljournal.com.cn

  • Soil water movement is mainly influenced by site type, vegetation and atmosphere precipitation.

    土壤含水量的动态变化主要大气降水、植被立地等的影响。

    dict.cnki.net

  • A start of preferential research symbolizes that mechanism of soil water movement is from homogeneous to heterogeneous field.

    开展优先流研究土壤运动机制研究走向非均质领域标志

    www.sswcc.org

  • The paper analyzed the characteristics of the soil water movement of drip irrigation under mulch in different cropping patterns.

    土壤流动系统角度分析了膜下滴灌不同种植方式下土壤水流动系统特征

    dict.cnki.net

  • This paper introduces the research method and contents of the law of soil water movement, and probes into some problems needing future research.

    介绍土壤水分运动规律研究方法内容探讨了需要进一步研究的问题

    www.dictall.com

  • This study offers the theoretical basis for researching the soil water movement, and it is the basis of researching the SPAC system in saline soil.

    研究盐渍化地区土壤水分运动研究提供依据盐渍化地区SPAC系统研究的基础

    www.fabiao.net

  • As for soil water movement after irrigation, it was faster in the ridge planting and furrow planting treatments than in the flatten culture treatments.

    而就灌溉土壤水分运动而言,垄作播处理畦播处理

    dict.cnki.net

  • The research at home and abroad on the simulation of soil water infiltration equation soil water movement parameters and the theory of SPAC were reviewed.

    论述了国内外土壤水分入渗方程模拟、土壤水分运动参数SPAC理论等方面研究进展

    www.dictall.com

  • Theoretical analysis of local-control irrigation, i. e. , non-pressure underground irrigation, is conducted, and soil water movement equation is presented.

    局部控水灌溉(无压地下灌溉)技术从理论上进行分析给出其土壤水分运动方程

    dict.cnki.net

  • Derivation soil hydrodynamic parameter and numerical simulation of soil water movement and distribution are important parts of soil water movement research.

    土壤水动力学参数推导土壤水分运移分布数值模拟研究土壤水分运动规律的重要部分

    www.dictall.com

  • Soil water movement and solute transport in the local scale were studied and the spacial variability of soil water content and concentration were discussed.

    据此研究了区域范围内土壤水分溶质的运移特征讨论了土壤水分和盐分分布空间变异性和统计特征。

    dict.cnki.net

  • The parameters in the SWAP were calibrated with the data of irrigation experiment The calibrated model represented preferably the field soil water movement.

    应用土壤水分实测数据SWAP模型参数进行率定,结果表明率定后的模型能够较好的反映出当地农田实际水分的动态变化过程

    dict.cnki.net

  • The soil water movement law of farmland, water utilization situation of main crops, water regime affecting crops growth and utilization of rainfall resources were analyzed.

    通过长期定位试验,研究了宁夏半湿润偏旱区农田水分运动规律主要作物对农田水分利用、水分对作物生长影响以及降水资源的利用。

    dict.cnki.net

  • Through the laboratory research and field experiment, the influencing mechanisms of lateral depth in non-pressure irrigation on soil water movement and crop growth are studied.

    通过室内试验大田试验研究了无压灌溉方式下埋管深度水分运移作物生长影响机理

    www.dictall.com

  • According to the characteristics of the water and land resources utilization of arid plain oasis, a hydrological model based on agriculture area soil water movement is established.

    针对干旱地区平原绿洲水土资源利用特点,建立了农区土壤为中心的干旱区平原绿洲散耗型水文模型

    www.magsci.org

  • Soil moisture is the main factor of plant growth, vegetation restoration and ecological environment. It's a very important significance to research soil water movement and translation.

    土壤水分植物生长植被恢复生态环境建设主要制约因素研究运动转化规律具有重要现实意义

    dict.cnki.net

  • The flow of soil water was determined in field by two sites replaced one site, the result can directly show difference between two assaying sites, and judge trend of soil water movement.

    田间条件测定土壤水势改以往普通负压式水银张力计一点测定为改进后负压式复合张力计两点测定,并直接反映田间两点水势差异情况,判断田间土壤水分运动趋势

    dict.cnki.net

  • The pipes can be divided into four kinds based on their cause of formation, namely pipes formed by the animals, by the roots of plants, by the cracks of soil and by the soil water movement.

    根据土管成因不同其分为种类型土壤动物活动导致土管、植物根系形成土管、土壤裂隙形成的土管土壤水分运动形成的土管。

    dict.cnki.net

  • Unsaturated soil water diffusivity is a necessarily basal parameter to study soil water movement laws and quantificationally analyze soil water movement with method of mathematical simulation.

    非饱和土壤水分扩散率研究土壤水分运动规律必不可少基本参数之一。

    www.dictall.com

  • Movement of soil particles from one place to another by wind and water is a natural phenomenon.

    运动土壤颗粒地方个地方利用一种自然现象

    danci.911cha.com

  • Spatial variation pattern of water movement parameters in unsaturated soil is the base of parameter estimation in a large area.

    非饱和土壤水分运动参数空间变异规律区域参数估计基础

    dict.cnki.net

  • These textile materials act AS a barrier to the movement of soil particles but permit the flow of water necessary for adequate drainage.

    这些纺织材料相当于一道屏障,它阻止土壤颗粒运动允许水的流动,以利于排水。

    dict.ebigear.com

  • By using the experimental device of soil moisture movement of single water storage pit and suction gauge, irrigation experiment of single water storage pit are conducted.

    利用蓄水土壤水分运动试验装置结合负压进行蓄水单坑灌水试验

    dict.cnki.net

  • Based on the abroad collected data and study of soil sampling, the rule of water -salt movement in Songnen Plain and the process of soil Saline -alkali were analyzed fully.

    广泛搜集资料实地土壤采样调查基础,系统分析人为干扰下松嫩平原运动规律土壤盐渍化过程

    dict.cnki.net

  • Spatial variability of soil water retention function is a primary prerequisite for quantitative research on water movement and solution transfer in unsaturated zone.

    土壤水分特征函数空间异质性定量研究土壤非饱和水分运动以及溶质运移的先决条件。

    www.dictall.com

  • Study of Effects of the Concrete Mulch on Movement of Soil Water and Soil Heat Transfer.

    覆盖土壤传输作物生长发育影响试验研究

    www.kuenglish.info

  • Soil hydraulic conductivity is closely related to the movement of water and salts in soil profiles and is highly affected by solution salt concentration and its composition.

    水力传导变化直接影响土壤剖面运动,土壤溶液盐分浓度及其组成很大关系

    dict.cnki.net

  • Only if we can understand the rules of water and salt movement in the soil, can we control the secondary salinization, and achieve the sustainable development of this area.

    最后指出人为经济活动影响重要性,针对土壤运移规律提出控制以及改良次生盐渍土的几条措施。

    dict.cnki.net

  • LEACHC is the salinity model describing water flow, solute movement and salt accumulation in soil profiles.

    LEACHC描述土壤水分运动、溶质运移盐分积累盐度模型

    dict.cnki.net

  • To predict accurately the dynamic movement of soil water is a key for high-efficient use of soil water.

    准确预测和预报田间土壤水分动态变化过程土壤水分高效利用关键

    www.fabiao.net

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