滴灌

dī ɡuàn
  • Drip irrigation;drip/trickle irrigation
滴灌滴灌
滴灌 [dī guàn]
  • [drop irrigation] 一种灌溉方法,使水流通过设置的管道系统而滴入植物的根部土壤中。这种灌溉方法可节约农业用水

  1. 滴灌条件下土壤水势对萝卜N、P、K吸收的影响

    Effect of soil matric potential on radish nutrient uptake

  2. 滴灌施肥控制系统中PH调节的建模与优化

    The Modeling and Optimization of PH Regulation in the Drop Irrigation and Fertilization Control System

  3. 滴灌条件下棉花不同生育期N·P配比施肥研究

    Study on the Ratio of N and P Fertilizers for Cotton in Different Growth Periods under Drip Irrigation Condition

  4. 滴灌柑桔园肥料撒施对土壤pH值的影响

    Effects of Broadcast Application of Fertilizers on Soil pH in Citrus Orchard with Drip Irrigation System

  5. 基于遗传神经网络优化调节滴灌施肥液pH值

    Optimal Control of pH Value of Fertilizer Solution under Dripping Fertilization System Based on Genetic Artificial Neural Network

  6. RBF人工神经网络在棉花膜下滴灌灌溉预报中的应用

    The Application of RBF Artificial Neural Network in the Forecasting of Cotton Film-hole Irrigation

  7. 研究了石灰性土壤中畦灌和滴灌方式对土壤pH和有效铁、磷含量的影响。

    Differences in soil pH and DTPA extractable Fe and available P content near to emitter soil and bulk soil were investigated in the open-field experiment with drip and furrow irrigation .

  8. 表明控制性分根交替滴灌(ADI)能在不牺牲作物光合产物积累的前提下提高玉米的水分利用效率。

    It suggested that ADI could improve the water use efficiency without sacrificing the accumulation of biomass .

  9. 通过在挤出机中添加过氧化物的方法,成功地在LLDPE装置上生产出滴灌管专用料,并提出了生产滴灌管专用料的典型配方和工艺参数。

    The LLDPE speciality resin BD used in drip irrigation tube was developed by adding peroxide to extruder .

  10. 介绍了使用CAD技术进行新型内镶式滴灌管滴头的设计,并应用先进的RP、RT技术进行初级产品生产的方法。

    The paper introduces a new method that uses CAD techniques to design the new kind emitter and applies advanced RP , RT techniques to produce primary product .

  11. 滴灌棉花的NUE显著高于漫灌。

    The NUE of cotton in drip irrigation was higher than flooding irrigation . 4 .

  12. 滴灌下萝卜肉质根中可溶性糖含量和维生素C含量比漫灌下萝卜肉质根内含量高。(5)不同灌溉方式对萝卜的叶水势日变化没有明显的影响。

    The contents of the soluble glucide and the vitamin C in the root of the radish under the condition of drip irrigation were higher than those under flood irrigation . ( 5 ) . Different treatments had no significant impact on the daytime changes of the leaf potential .

  13. S7-300PLC在滴灌机温度控制系统中的应用

    S7-300 PLC control system in irrigation machine temperature applications

  14. 因此,HYDRUS-2D软件可以作为预测滴灌施肥灌溉条件下水分和氮素在土壤中运移的有效工具。

    It is concluded that the HYDRUS-2D software can be used to implement water and nitrate transport in soil under drip fertigation .

  15. 通过田间试验,研究了膜下滴灌棉花的作物产量、品质和作物缺水指标(CWSI)定量关系。

    A field study was conducted to determine the relationships between Crop Water Stress Index ( CWSI ), yield , and quality of cotton under drip irrigation with mulch .

  16. 结果表明,灌水时供水压力大于15kPa、控制灌水下限土壤水吸力设定为30kPa,该PVC管滴灌系统出水均匀度可达到既定标准。

    The results show that the uniformity of irrigation with PVC tube can meet the designed standard , using 15 kPa as irrigation pressure and 30 kPa soil water suction as the lower limit of irrigation .

  17. 膜下滴灌棉花的需水规律是制定灌溉制度作出灌水决策的关键依据,但是相关的Kc值的确定成果不多,使相应的灌溉制度和灌水决策方法科学性不强。

    Water demand regulation of cotton by drip irrigation under mulch is the key basis for making irrigation institution and decision , however , lacking of relative Kc value lead to the unscientific method for making institution and decision of crop irrigation .

  18. 低肥(326g/株)条件下三个土层四个指标随滴灌水平的降低而无显著性变化。

    However , there was no significant change in all indices of the three soil layers for low-Ievel ( 326g / plant ) of fertilizer .

  19. 滴灌施用铵态氮肥,显著增加了土壤中NH+4-N含量,随着硝化作用的进行,NH+4-N的量在培养的第5d左右3-N含量增加。

    Applying NH ~ + _4-N fertilizer significantly increased the content of NH ~ + _4-N in soils , and as the processing of nitrification the content of NH ~ + _4-N was reduced , and NO ~ - _3-N was increased gradually .

  20. 对于砂壤土而言,折减系数的取值范围在0.700.95之间。(5)砂壤土条件下,地下滴灌适宜毛管铺设间距为90cm。

    The reduction coefficient is from 0.70 to 95 for the sandy loam . ( 5 ) The suitable Drip Line Spacing ( DLS ) for sandy loam soil is 90 cm .

  21. 因此建议在树体增大后,在行间、株间中线上布设井字形地下滴管,以扩大地下滴灌(SDI)区根系分布和吸收范围,进一步提高林地生产力。

    So it is suggested that droppers having the shape of " # " should be collocated in the middle of two rows and two individual trees in order to increase the distributing and absorbing range of root under SDI , and further increase the plantation productivity .

  22. 利用能模拟地下滴灌系统水流二维运动的HYDRUS-2D计算机模型在不同的地下滴灌灌水设计参数条件下,对土壤水分分布的影响进行了模拟分析。

    Under the condition of different irrigation design parameters in subsurface drip irrigation ( SDI ), the soil-water distribution are simulated and analyzed by a HYDRUS-2D computer program , which can simulate the two-dimension soil-water movement of SDI system .

  23. 生活污水气浮处理及滴灌试验研究

    Research on Floatation Treatment of Urban Wastewater for Drip Irrigation System

  24. 地表点源滴灌土壤水分运动的动力学模型与数值模拟

    The mathematical model of water movement from a surface trickle source

  25. 果树滴灌秸秆覆盖效应的初步研究

    Preliminary Study for Drip Irrigation of Fruit Trees with Straw Cover

  26. 单井膜下滴灌灌溉制度优化

    Optimum Irrigation Scheduling for Trickle Irrigation under Film with Single Well

  27. 滴灌树状管网水力计算的有限元法

    Finite Element Method for Tree-shape Network Hydraulic Calculation of Drip Irrigation

  28. 棉花膜下滴灌监控系统软件的设计

    Design of Automatic Control Software of Mulch Trickle Irrigation for Cotton

  29. 新型微压滴灌灌水器水力性能试验研究

    Experimental Study on Hydraulic Property of Emitters with Tiny Water Pressure

  30. 温室生菜滴灌施肥技术研究

    Study on the Fertilization of Greenhouse Lactuca sativa by Drip Irrigation