fertilizer water irrigation

Leaching and transforming characteristics of urea-N added by different ways of fertigation;

不同灌溉施肥方式下尿素态氮在土壤中迁移转化特性的研究

To accurately control and simultaneously conduct of irrigation and fertilization in drip irrigation system,a highly intelligent fertigation system is developed based on single chip microcomputer(SCM) control principles and variable frequency technique.

为了实现滴灌系统中灌溉与施肥的精确控制和同步进行,应用单片机控制与变频调节技术设计、开发了高精度的灌溉施肥自动控制系统,并通过硬件和软件的优化组合,进行了灌溉施肥自动控制系统的自主设计和制造。

Field evaluation of fertigation uniformity for subsurface drip irrigation systems;

地下滴灌系统施肥灌溉均匀性的田间试验评估

Spatial distribution of nitrate in soil as affected by uniformity of sprinkler fertigation;

喷灌施肥灌溉均匀性对土壤硝态氮空间分布影响的田间试验研究

Experimental Investigation and Simulation on Water and Nitrogen Distributions as Affected by Fertigation From A Point Source;

滴灌施肥灌溉土壤水氮分布规律的试验研究及数学模拟

Effect of long-term irrigation and fertilization on nitrogen,phosphorous,and potassium pools of cinnamon soil in semi-arid area I.Effect on nitrogen pool of cinnamon soil farmland;

长期灌溉施肥对半干旱区褐土氮、磷和钾库的影响Ⅰ.对褐土农田土壤氮库的影响

Through experiments on fertilizationto seedling beds of rice and experiments on rice sections inthe field afterwards, the results showed that after appliedliquid and solid irrigation fertilizer of fulvic acid, root-calptra rate of rice seedling is rational and circularity isgood.

试验针对北方单季稻育苗中的病害及施肥问题,进行水稻苗床灌溉施肥试验与后期本田水稻小区试验,结果表明:液、固黄腐酸灌溉肥处理下水稻苗根冠比合理、充实度好,同时还具有改良土壤和杀菌作用;苗期经黄腐酸灌溉肥处理后的本田水稻抗病性强,增产明显。

Study of Water and Fertilizer Coupling Effect under Drip Fertitigation in Greenhouse Vegetable;

温室蔬菜滴灌灌溉施肥水肥耦合效应的研究

Know how much water is needed to refill the root zone during irrigation and plan fertigation accordingly.

要了解在灌溉时灌满根区需要多少水，并据此来制定灌溉施肥计划。

The increase has been especially dramatic during the past two decades in the U.S, particularly for sprinkler and drip irrigated systems.

近20年中，美国的灌溉施肥，尤其是通过喷灌和滴灌系统的灌溉施肥，增加极其迅速。

Information is available for many crops detailing their N requirements by growth stage.

灌溉施肥便是实施这一目的的一条便利途径。

Application of Touch-screen in the Facility Agriculture Intelligent Fertigation

触摸屏在设施农业灌溉施肥智能化中的应用

Effect of Water and Nitrogen Coupling under Alternating Furrow Irrigation and N Placement on Summer Corn;

夏玉米分根交替灌溉施肥的水氮耦合效应研究

Study on impacts of irrigation and fertilization on cotton yield and water use efficiency

灌溉施肥对棉花产量及用水效率影响的研究

Effect of alternative irrigation and fertilization on soil ammonia volatilization of summer maize

交替灌溉施肥对夏玉米土壤氨挥发的影响

Urea and ammonium nitrate solutions are most commonly used for N fertigation.

尿素和硝酸铵溶液是最常用的灌溉施肥氮肥品种。

drip irrigation and fertilization system

点滴灌溉及施肥系统

The Design and Implementation of Intelligent Decision System for Apply Fertilizer and Irrigate;

智能施肥灌溉决策系统的设计与实现

One of these technologies is fertigation, which is the direct application of water and nutrients to plants through a drip irrigation system.

描述:文中介绍的一种灌溉技术叫做施肥灌溉，通过滴流灌溉系统把水和养分供给作物。

In these conditions careful management of the irrigation and fertilizer programs is important.

此种条件下细心管理灌溉和施肥计划至关重要。

Study on PLC Fertilization and Technology Based on Fuzzy Control;

基于模糊控制的PLC施肥灌溉控制技术的研究

The Study of Accurate Irrigation and Fertilization Automatic Control System;

精确灌溉与施肥自动化控制系统的研究

Research on the Alternate Partial Root-Zone Irrigation and Fertilization (Apri&F) of Apple Tree

苹果根系分区交替灌溉肥水配施试验研究

Investigation and Evaluation of Present Situation of Fertilization and Irrigation of Cotton in Alaer Reclamation Area

阿拉尔垦区棉花施肥灌溉现状调查及评价

Experimental Investigation and Simulation on Water and Nitrogen Distributions as Affected by Fertigation From A Point Source;

滴灌施肥灌溉土壤水氮分布规律的试验研究及数学模拟