surface irrigation
Simulation modelling in surface irrigation systems
... (surface irrigation simulation, evaluation and design) is a comprehensive simulation software package for simulating surface irrigation ...furrow irrigation (Gillies 2008) and can also ...
8
Performance evaluation and improvement of bankless channel surface irrigation systems
... Channel Irrigation Systems (BCISs) are a surface irrigation system composed of adjacent, terraced bays with an interconnecting channel constructed such that the rim of the channel is level with the ...
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Surface irrigation management in relation to water infiltration and distribution in soils
... under surface irrigation are evaluated, based on the initial soil water content and inflow rate as well as on the irrigation parameters and ...furrow irrigation in comparison to the ...
13
Performance evaluation and improvement of bankless channel surface irrigation systems
... of surface irrigation design, evaluation and analysis tools consisting of three programs (BASIN, BORDER and ...border irrigation systems respectively, while SRFR enabled the simulation of basin, ...
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Automatic Controls for Surface Irrigation Systems
... • Automatic controls for surface irrigation systems consist of a combination of gates, structures, valves, timers, soil moisture sensors and related de- vices. These can be either semi-a[r] ...
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Cablegation: Automate supply for surface irrigation
... Outlets are placed near the top of the pipe's circumference (offset 20 to 30" toward the field from the pipe's vertical centerline) and spaced to correspond to the spacing that will [r] ...
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Automatic Equipment for Surface Irrigation
... When the drop gate is released by a mechanical timer, the cable opens the outlets in the section of•ditch immediately upstream .and allows water to flow onto the field.. - Irriga.[r] ...
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Automated Valves for Surface Irrigation Pipelines
... To automate pipeline systems, valves and controls must automatically sequence irrigation from one turnout or irrigation set to another, Two types of pneumatic valves or closures for cont[r] ...
8
Constraints to real-time control of surface irrigation
... Figure 3 - Observed and simulated recession, advance and infiltration for a level basin irrigation, considering a variation of ±20% in inflow rate. a particular[r] ...
6
Automatic Water Control Structures for Surface Irrigation (Summarized)
... The timer is released by a float and begins timing the irrigation period when water enters the ditch immediately upstream from the check.. Two variations of the above model are also bein[r] ...
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Water sensor feedback control system for surface irrigation
... When water contacts the sensor, a signal is sent via wire or IR telemetry to a station controller located near the irrigation turnout at the upper end of the field.. The controller energ[r] ...
5
Multiset Surface Irrigation System
... The stream advance and hydrograph data were analyzed to obtain intake rates, and infiltration patterns for a 2-inch (5.08- cm) minimum irrigation were subsequently computed for each sect[r] ...
5
Advances in Surface Irrigation
... Manual cut-back systems have not been popular, because they require extra labor to adjust flows from gated pipe or siphon tubes and because reducing furrow streams leaves excess water [r] ...
5
Surface Irrigation Systems
... By properly matching the intake rate of soil with stream size, area to be irri- gated, depth of water to be applied, and slope of the land, fairly uniform appli- cation can be obtained t[r] ...
20
Improving performance of bay irrigation through higher flow rates
... bay irrigation and improve overall confidence in the technique across all surface ...evaluate surface irrigation which can only utilise measurements up to the cut-off ...Manning’s ...
12
Emerging investigator series: towards a framework for establishing the impacts of pharmaceuticals in wastewater irrigation systems on agro-ecosystems and human health
... wastewater irrigation is widely practiced such as the Middle East where olive and g trees are frequently irrigated with reclaimed ...overhead irrigation should not be neglected as this has recently been ...
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Emerging investigator series : Towards a framework for establishing the impacts of pharmaceuticals in wastewater irrigation systems on agro-ecosystems and human health
... wastewater irrigation is widely practiced such as the Middle East where olive and g trees are frequently irrigated with reclaimed ...overhead irrigation should not be neglected as this has recently been ...
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Pesticide Residue Levels in The Surface Water of The Irrigation Canals in The Muda Irrigation Scheme Kedah, Malaysia
... The seasonal variation of insecticides detected with high frequency at higher concentrations in the surface irrigation water is shown in Figure 2. Insecticides that were present in higher concentrations in ...
6
A CRITICAL STUDY OF IRRIGATION PRACTICES FOR BETELVINE IN THE SELECTED AREA
... focus irrigation practices applied for betelvine cultivation in the selected ...of irrigation kept the land at moist ...crop. Surface irrigation was followed in most of the betelvine ...proper ...
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Knowledge management, sensing and control tools for irrigated broadacre cropping
... on surface and overhead pressurised irrigation systems with commercial irrigation automation hardware: Rubicon for surface irrigation and Valley or Lindsay Zimmatic variable-rate ...
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