Linear regression approach for estimating soil infiltration parameters of border irrigation;
畦灌土壤入渗参数估算的线性回归法
Nonlinear regression method for estimating infiltration parameters according to border irrigation data;
用畦灌试验资料推求土壤入渗参数的非线性回归法
Zero─inertia mathematical model for surge flow border irrigation;
波涌畦灌水流运动的零惯量数值模拟
This paper studies the characteristics of field flow advance and recession for surge flow irrigation with muddy water based on the field experimental data of surge flow border irrigation with muddy waterl on the basis of which the effects of sediment water on the surge flow border field advance behavor.
利用大田浑水波涌畦灌灌水试验资料,分析研究了浑水波涌畦灌田面水流推进和消退特性,在此基础上,研究了浑水含沙率对浑水波涌畦灌水流推进特性的影响,提出了浑水波涌畦灌水流推进和消退曲线符合幂函数规律,田面受水曲线符合一元二次函数规律,为进一步研究浑水波涌灌技术打下了基础。
This paper studies the effect of period number, cycle ratio of surge flow irrigation and the sediment contents in muddy water on water saving efficiency and irrigation water volume per mu based on the field experimental data of surge flow border irrigation with muddy water.
利用大田浑水波涌畦灌灌水试验资料,研究了浑水波涌灌周期数、循环率和浑水含沙率等要素对浑水波涌畦灌灌水定额和节水效果的影响,在此基础上,提出了试验条件下的浑水波涌畦灌的最佳周期数为3,最佳循环率为1/3,这些研究成果为浑水波涌灌技术的推广应用奠定了基础。
But under the conventional border irrigation it changes very sharply in 0~40 cm soil sections and the difference of nitrate nitrog.
通过大田测坑玉米种植试验研究,分析了常规畦灌和膜孔灌条件下农田土壤硝态氮的分布特性。
Firstly,under interval-border irrigation,the yield of one cube-meter water and water productivity could be incre.
利用间隔畦灌溉的方法进行试验研究,并对结果进行统计、分析,得出如下初步结论:①隔畦灌溉比不设隔畦,单方灌水产量和水分生产率可提高15%和10%左右,田间日均耗水强度减少20%左右;②减产量与间隔宽度呈正比;③在1。
Irrigation Schedule of Indigowoad Root for Border Irrigation in Yimin Irrigation District;
益民灌区板蓝根畦灌灌溉制度试验研究
Estimation of infiltration parameters for border irrigation based on SIRMOD method and modelling of border irrigation
基于SIRMOD模型的畦灌入渗参数估算及灌溉模拟
One-dimensional complete hydrodynamic model for border irrigation based on hybrid numerical method
基于混合数值解法的一维全水动力学畦灌模型
Spatial distribution characteristics of cherry tree roots under border irrigation condition
畦灌条件下樱桃树根系的空间分布特征
Development and validation of surface fertigation flow and solute transport model
畦灌施肥条件下地表水流溶质运移模型研究
Field experiment on water and nitrogen distribution for winter wheat under border strip fertigation
冬小麦不同畦灌施肥模式水氮分布田间试验
Study on Border Irrigation Water Current Movement Mathmatical Simulation and Irrigation Technique Index in the West of Guanzhong;
畦灌水流运动数值模拟与关中西部灌水技术指标研究
Variability of Roughness Coefficient and Its Effect on Border Irrigation Performance
畦灌糙率系数的变异规律及其对灌水质量的影响
Spatial Variability of Infiltration Parameters and Its Influences on Border Irrigation Performance
畦灌土壤入渗参数的空间变异性及其对灌水质量的影响
Integrated simulation of surface-subsurface flow and solute transport for border strip fertigation Ⅰ.Model
畦灌施肥地表水流与非饱和土壤水流-溶质运移集成模拟:Ⅰ模型
The Regulatory Effect of Interval-border Irrigation on Grain Yield and Quality and Water Use Efficiency of Winter Wheat
隔畦灌溉对冬小麦籽粒产量和品质形成及水分利用效率的调控效应
gravity check irrigation
"自流畦沟灌溉, Bordercheck irrigation"
Border check irrigation; strip irrigation : Flood irrigation in which land is divided into Border strips and water is delivered into each strip from a head or field ditch at its upper end.
畦面灌溉;条灌:把地块分成畦沟,使灌溉用水从水头或灌渠较高一端流到另一端的灌溉方法。
Strip check space varies with plot slope, soil fertility and irrigation.
条畦宽度随地块坡度、土壤肥力和灌溉而变化。
A small ridge or raised area bordering an irrigated field.
土垄围绕着灌溉畦田的小埂或隆起的地带
Study and Design on Ridge Culture Furrow Irrigation of Wheat Seeder;
畦作沟灌小麦起垄播种机的研究与设计
Research on Water Flow Model and Numerical Simulation for Border and Furrow Irrigation
畦沟灌溉水流运动模型与数值模拟研究
Analysis of irrigation efficiency and water use efficiency of border irrigation
畦田灌水质量评价及水分利用效率分析