搜索结果: 1-15 共查到“drip irrigation”相关记录31条 . 查询时间(0.078 秒)
Survey of soil water distribution in a vineyard and implications for subsurface drip irrigation control
gravimetric water content Sentek Diviner spatio-temporal variability volumetric water content
2016/8/2
Controlling a subsurface drip irrigation system based on soil water monitoring is a very efficient way to supply grapevines with water for optimal thriving and high vintage quality. However, finding a...
Distribution of water loss via evapotranspiration in a pistachio tree orchard under drip irrigation and non-irrigation conditions
drip irrigation evapotranspiration pistachio root water loss
2015/3/13
The present study aimed to measure the distribution of water loss via evapotranspiration (ET) in a pistachio tree orchard under drip irrigation and non-irrigation conditions at the experimental orchar...
On-farm evaluation of low-pressure drip irrigation system for smallholders
low head system maintenance performance retrieving
2015/3/9
The aim of this paper was to evaluate the performance of a low-pressure drip system (LPS) for three years of service, to calculate the consumptive working time and costs of maintenance and laterals re...
Cultivar and rootstock response to drip irrigation in sweet cherry tree vigour and start of bearing during the first three years after planting
sweet cherry rootstocks cultivars drip irrigation tree vigour bearing flower set fruit set
2015/1/24
Fifteen sweet cherry cultivars and three rootstocks were evaluated within three years in two experimental orchards established in the same location in the autumn 2004. In one of them drip irrigation w...
Drip or trickle irrigation is a very efficient method of applying water and nutrients to crops. This eight-page publication, part of the Agricultural Alternatives series, details the advantages and li...
Effect of closed circuits drip irrigation system and lateral lines length on growth, yield, quality and water use efficiency of soybean crop
Closed Circuits Drip Irrigation Lateral Lines Soybean WUE
2013/2/28
Field experiment was conducted for one growing season (2012) in clay loam soil at the Experimental Farm of Faculty of Agriculture, Southern Illinois University at Carbondale (SIUC), USA on soybean cro...
Effect of drip irrigation circuits design and lateral line length on: II-flow velocity and velocity head
Drip Irrigation Circuit Laterals Flow Head Velocity
2013/2/28
The objectives of the work were to study the effect of drip irrigation circuits (DIC) and lateral lines lengths (LLL) on: Flow velocity (FV) and velocity head (VH). Laboratory tests were conducted at ...
Effects of drip irrigation circuit design and lateral line lengths: I—On pressure and friction loss
Drip Irrigation Circuit Laterals Pressure Friction
2013/2/28
Laboratory tests were conducted at the Irrigation Devices and Equipment’s Test Laboratory, Agricultural Engineering Research Institute, Agriculture Research Center, Giza, Egypt. The experimental desig...
三角绕流滴灌灌水器结构设计和优化（Structural Design and Optimization of Triangle Circulation Drip Irrigation Emitters）
灌水器 三角绕流 水力性能
2010/12/28
以三角绕流滴灌灌水器结构的流道单元为研究对象，利用Pro/E软件完成灌水器造型设计，结合计算流体动力学软件Fluent 6.3模拟分析流道的水力性能，研究此类灌水器的湍流特性，揭示其内部湍流流动机理，并对流道结构进行优化。根据分析结果，通过改变外部大三角的形状与内部小三角的形状和位置，对流道单元进行结构优化，得出一种流态指数小于0.5，流道内速度分布均匀，流量在滴灌允许范围内，抗堵性能优良的三角绕...
Energy and water saving by using modified closed circuits of drip irrigation system
Drip Irrigation Closed Circuits Energy Use Efficiency
2013/3/5
The aim of this research was determine the en- ergy and water use efficiencies under the modification of closed circuit drip irrigation systems designs. Field experiments carried out on transgenic mai...
Comparative study of subsurface drip irrigation and flood irrigation systems for quality and yield of sugarcane
SDI flood irrigation sugarcane yield quality
2011/1/13
Subsurface drip irrigation (SDI) is a most advanced method of irrigation that facilitates the irrigation of crop / plants with small amounts of water through the T-tapes placed below the soil surface....
Influence of water quantity on the yield, water use efficiency, and plant water relations of Leucaena leucocephala in arid and semi arid environment using drip irrigation system
Crop productivity water use efficiency multipurpose forest tree
2011/1/12
Water is considered an important factor in the arid and semi-arid areas because water shortage affects the agricultural production. The current study aimed to investigate the influence of water applic...
Emitter clogging and effects on drip irrigation systems performances
Drip irrigation emitter clogging drip irrigation performance
2011/1/10
Emitter clogging is one of the most important factors that affect the performances on drip irrigation systems. Emitter clogging, which is formed in a short time due to irrigation systems’ running unde...
Drip irrigation and black polyethylene mulch influence on growth, yield and water-use efficiency of tomato
Drip irrigation pan evaporation black polyethylene fruit yield tomato
2010/9/14
A two year field study was conducted during 2001-2002 and 2002-2003 on sandy loam soil to investigate the effect of drip irrigation and black polyethylene mulch compared with surface irrigation, on gr...
Root System Morphology of Pepper and Melon at Harvest Stage Grown with Drip Irrigation under Desert Conditions in Baja California, Mexico
Capsium annuum L Cucumis melo L Desert Drip irrigation Mexico
2009/7/21
An international project between the Japanese and Mexican governments on crop production is being conducted in Guerrero Negro, Baja California, Mexico. The objective of the project is to establish a ...