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Center pivot

Infiltration Model for Center Pivot Sprinkler Irrigation

Infiltration Model for Center Pivot Sprinkler Irrigation

... of center pivot sprinklers such as wetted diameter, application rate pattern shape and drop size distribution have been studied ...under center pivot sprinkler ...by center pivot ...

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Potential runoff and erosion comparison of center pivot sprinklers on three Idaho soils

Potential runoff and erosion comparison of center pivot sprinklers on three Idaho soils

... Center pivot irrigation is popular with producers but is not necessarily the best irrigation system choice for all site ...many center pivot sprinkler product developments and application ...

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Identification of Gaps and Remedies for Center Pivot Sprinkler Irrigation System in North-West Ethiopia

Identification of Gaps and Remedies for Center Pivot Sprinkler Irrigation System in North-West Ethiopia

... typical center pivot irrigation system consists of a pump system and laterals, emitting devices (sprinklers and end-guns) and accessories such as control switches, pressure gauges, a water meter, and safety ...

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Characterizing droplet kinetic energy applied by moving spray-plate center pivot irrigation sprinklers

Characterizing droplet kinetic energy applied by moving spray-plate center pivot irrigation sprinklers

... by centerpivot sprinklers has on infiltration, runoff, and erosion is well known in the centerpivot sprinkler irrigation ...decades, centerpivot sprinkler manufacturers have ...

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Development of a Portable Electro Mechanical Educational Model for Variable Rate Center Pivot Irrigation Technology

Development of a Portable Electro Mechanical Educational Model for Variable Rate Center Pivot Irrigation Technology

... In order to reduce waste of water and nutrients and improve crop yields through this technology, there has to be an understanding among potential users about the technical aspects and potential cost/benefits of this ...

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Estimation of infectious risks in residential populations exposed to airborne pathogens during center pivot irrigation of dairy wastewaters

Estimation of infectious risks in residential populations exposed to airborne pathogens during center pivot irrigation of dairy wastewaters

... a center pivot during nighttime applications of dairy wastewaters, though one must consider that this risk might be reduced or negated, as residents are likely to be indoors during night ...through ...

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Droplet Kinetic Energy of Moving Spray-Plate Center-Pivot Irrigation Sprinklers

Droplet Kinetic Energy of Moving Spray-Plate Center-Pivot Irrigation Sprinklers

... decades, center-pivot sprinkler manu- facturers have continued to develop sprinklers that reduce peak water application rates and droplet kinetic energy to sustain infiltration rates and reduce runoff and ...

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Center-pivot irrigation system for independent site-specific management of water and chemical application

Center-pivot irrigation system for independent site-specific management of water and chemical application

... in figure 5. The calculated composite CU for the two string lines was 90.0. Application uniformity tends to increase toward the end of the system lateral in control zones 5, 6, and 7 where the sprinklers were on 100% of ...

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APPLICATION AND DISTRIBUTION OF IRRIGATION WATER UNDER VARIOUS SIZES OF CENTER PIVOT SPRINKLER SYSTEMS

APPLICATION AND DISTRIBUTION OF IRRIGATION WATER UNDER VARIOUS SIZES OF CENTER PIVOT SPRINKLER SYSTEMS

... of center pivot irrigation ...a center pivot irrigation system is not usually uniform across a field as it depends on the sprinkler package, field topo- graphy, movement of the machine, and ...

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Spatially distributed control netowork for flow proportional chemical injection with center pivot irrigation

Spatially distributed control netowork for flow proportional chemical injection with center pivot irrigation

... with center pivot sprinkler irrigation, the primary advantages of chemigation include high applica‐ tion uniformity of applied chemical, timeliness of applying the chemical when needed, and avoidance of ...

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Moving spray-plate center-pivot sprinkler rating index for assessing runoff potential

Moving spray-plate center-pivot sprinkler rating index for assessing runoff potential

... observed significant differences in runoff and erosion be- tween sprinkler types even though flow rates and wetted diameters were very similar. These observed differences highlight the effect that droplet kinetic energy ...

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Evaluating the Irrigation Practice of Center Pivot Sprinkler Irrigation System at Hiwot Agricultural Mechanization, Ethiopia

Evaluating the Irrigation Practice of Center Pivot Sprinkler Irrigation System at Hiwot Agricultural Mechanization, Ethiopia

... Hiwot Agricultural Mechanization (HAM) PLC is a private company established in 1999 and envisioned to excel in agribusiness through mechanized farming methods. HAM has been engaged in the production of industrial crops ...

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Infiltration model for center pivot irrigation on bare soil

Infiltration model for center pivot irrigation on bare soil

... under center pivot sprinkler irrigation exacerbates potential runoff and erosion ...under center pivot sprinkler irrigation is a well recognized problem (Undersander et ...

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Determination of kinetic energy applied by center pivot sprinklers

Determination of kinetic energy applied by center pivot sprinklers

... decades, center pivot sprinkler manufacturers have continued to develop sprinklers that reduce peak water application rates and droplet kinetic energy as a means to sustain water infiltration rates and ...

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Droplet Kinetic Energy from Center-Pivot Sprinklers

Droplet Kinetic Energy from Center-Pivot Sprinklers

... (1987), and Assouline and Maulem, (1997). These studies have shown that the kinetic energy of discrete drops impacting a bare soil surface is a primary factor in determining the reduction in water infiltration rate due ...

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Analysis of the decrease of center pivot sprinkling system uniformity and its impact on maize yield

Analysis of the decrease of center pivot sprinkling system uniformity and its impact on maize yield

... It can be summarized from the above that, under a certain head pressure, the water pressure was subject to certain loss owing to the pipe, which led to the difference of outlet pressure of gooseneck pipes along the ...

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Impacts of center pivot irrigation system uniformity on growth of  potato crop and residual soil nitrogen

Impacts of center pivot irrigation system uniformity on growth of potato crop and residual soil nitrogen

... potato field in a commercial farm owned by the Saudi Agricultural Development Company (INMA). The study field was located in Wadi Al-Dawasir area in the southern sector of the Riyadh Province in the middle of the Kingdom ...

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Evaluation of Potential Runoff and Erosion of Four Center Pivot Irrigation Sprinklers

Evaluation of Potential Runoff and Erosion of Four Center Pivot Irrigation Sprinklers

... enter pivot sprinkler irrigation systems are often the preferred type of sprinkler irrigation system by producers due to their relatively high water application uniformity and degree of automation which can ...

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Potential runoff and erosion comparison of four center pivot sprinklers

Potential runoff and erosion comparison of four center pivot sprinklers

... Center pivot sprinkler irrigation systems are often the preferred type of irrigation system by producers due to their relatively high water application uniformity and degree of automation which can ...

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Evaluation of center pivot sprinkler wind drift and evaporation measurement technique

Evaluation of center pivot sprinkler wind drift and evaporation measurement technique

... from center pivot sprinklers using a combination of applied water collectors, bromide tracer and air ...from center pivot sprinklers was developed and field tested under limited wind speed ...

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