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| Registros recuperados: 12 | |
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| Robinson, A.R.; Lauritzen, C.W.; Muckel, D.C.; Phelan, Jack. |
| An irrigation system should be designed to provide correct distribution, control, and measurement of the irrigation water. Usually a farmer takes his irrigation water from a canal through a headgate. Or he may receive it from a pipeline regulated by a valve, or perhaps from his own well and pump. Open ditches are most commonly used to carry the water to the fields. Water control structures are used to get it out of the ditches and onto the fields. Measurement devices are needed so the farmer can tell how much water he has applied to his field at any irrigation or over the season. Several types of structures are used to divert, convey, control, or measure irrigation water. Some of these are described, and their functions... |
| Tipo: Technical Bulletin |
Palavras-chave: Irrigation control; Research methodology; Mass Import - autoclassified (may be erroneous). |
| Ano: 1963 |
URL: http://eprints.nwisrl.ars.usda.gov/1140/1/7.pdf |
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| Kruse, E.G.; Huntley, C.W.; Robinson, A.R.. |
| The efficient application and distribution of water by irrigation furrows or borders is highly dependent on the rate of advance of water in these channels. The rate of advance is governed by the intake rate of the soil, the resistance offered by the channels to the flow of water, and the discharge rate into the channels. A knowledge of these factors is essential for the design of efficient irrigation systems. Intake rate has been the object of much study and methods are available for its measurement before the construction of irrigation systems. Previous flow resistance studies have dealt with either artificially roughened boundaries, conduits intended for uses other than irrigation, or discharges much greater than are likely to occur in... |
| Tipo: Technical Bulletin |
Palavras-chave: Mass Import - unclassified. |
| Ano: 1965 |
URL: http://eprints.nwisrl.ars.usda.gov/1138/1/41.pdf |
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| Registros recuperados: 12 | |
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