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Registros recuperados: 112
Primeira ... 123456 ... Última
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Imprime registro no formato completo
A Comparison of Water Application Efficiencies Obtained Under Various Methods of Applying Irrigation Water NWISRL
Pair, C.H..
Tipo: Conference or Workshop Item Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1964 URL: http://eprints.nwisrl.ars.usda.gov/976/1/10.pdf
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New Seepage Meter Pinpoints High Water Loss Areas NWISRL
Worstell, Robert V..
Tipo: Article Palavras-chave: Research methodology; Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1970
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Automatic Water Control Structures for Surface Irrigation (Summarized) NWISRL
Humpherys, A.S..
Many improvements have been made in irrigation methods and equipment in recent years. However, surface irrigation has not benefited from automation and still requires much hand labor. In addition to this high labor requirement, an excessive amount of water is often used. This is particularly true in areas where water is relatively cheap and labor is scarce. Further improvement in surface irrigation methods and equipment using mechanized automated control structures will enable the farmer to apply water with a minimum of labor and to obtain maximum use from the water, thus conserving his resources.
Tipo: Article Palavras-chave: Irrigation control; Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1966 URL: http://eprints.nwisrl.ars.usda.gov/1229/1/45.pdf
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Fiber Glass Automatic Irrigation Gates NWISRL
Humpherys, Allan S.; Ditzler, Paul H..
Tipo: Conference or Workshop Item Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1972 URL: http://eprints.nwisrl.ars.usda.gov/985/1/224.pdf
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Automated Air-Powered Irrigation Butterfly Valves NWISRL
Humpherys, Allan S..
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1983 URL: http://eprints.nwisrl.ars.usda.gov/407/1/515.pdf
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The "Poor Man's Marker" - Improving the accuracy of small rigs NWISRL
Massee, Truman; Luellen, William; Waggoner, Harold; Mumm, Mike.
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1984 URL: http://eprints.nwisrl.ars.usda.gov/420/1/530.pdf
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Cablegation: A review of the past decade and prospects for the next NWISRL
Trout, Thomas J.; Kincaid, D.C.; Kemper, W.D..
Tipo: Conference or Workshop Item Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1990 URL: http://eprints.nwisrl.ars.usda.gov/879/1/719.pdf
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Automated Valves for Surface Irrigation Pipelines NWISRL
Humpherys, Allan S.; Stacey, Robert L..
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1975 URL: http://eprints.nwisrl.ars.usda.gov/281/1/321.pdf
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Sprinkler nozzle options offer choices for growers NWISRL
Kincaid, Dennis C..
Farmers today have a wide range of sprinkler-nozzle combinations from which to choose. The primary consideration in sprinkler system design is to obtain high water application uniformity. Another important consideration is to control droplet sizes to minimize droplet impact on the soil. while minimizing spray drift and evaporation.
Tipo: Article Palavras-chave: Sprinkler irrigation; Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1992 URL: http://eprints.nwisrl.ars.usda.gov/1232/1/782.pdf
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Recirculating Farm Irrigation Systems NWISRL
Bondurant, J.A.; Willardson, L.S..
Tipo: Conference or Workshop Item Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1966 URL: http://eprints.nwisrl.ars.usda.gov/1013/1/42.pdf
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Automation of border and basin irrigation NWISRL
Humpherys, A.S.; Trout, T.J..
Tipo: Conference or Workshop Item Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1987 URL: http://eprints.nwisrl.ars.usda.gov/876/1/601.pdf
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Design of Recirculating Irrigation Systems NWISRL
Bondurant, J.A..
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1969 URL: http://eprints.nwisrl.ars.usda.gov/77/1/136.pdf
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Punch Planting NWISRL
Cary, J.W..
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1968 URL: http://eprints.nwisrl.ars.usda.gov/108/1/101.pdf
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Turbulent Flow Self Cleaning Trash Screens NWISRL
Kemper, W.D.; Bondurant, J.A..
Tipo: Conference or Workshop Item Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1982 URL: http://eprints.nwisrl.ars.usda.gov/1025/1/484.pdf
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Cablegation: III. Field Assessment of Performance NWISRL
Goel, M.C.; Kemper, W.D.; Worstell, Robert; Bondurant, James.
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1982 URL: http://eprints.nwisrl.ars.usda.gov/390/1/494.pdf
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Cablegation IV: The Bypass Method and Cutoff Outlets to Improve Water Distribution NWISRL
Kincaid, Dennis C.; Kemper, W.D..
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1984 URL: http://eprints.nwisrl.ars.usda.gov/418/1/527.pdf
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Fighting erosion in furrow irrigation NWISRL
Bjorneberg, Dave.
Tipo: Article Palavras-chave: Erosion; Erosion; Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 2001 URL: http://eprints.nwisrl.ars.usda.gov/118/1/1039.pdf
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Programming Irrigation for Greater Efficiency NWISRL
Jensen, Marvin E..
Tipo: Book Section Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1972 URL: http://eprints.nwisrl.ars.usda.gov/746/1/230.pdf
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Cablegation V: Dimensionless Design Relationships NWISRL
Kincaid, Dennis C..
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1984 URL: http://eprints.nwisrl.ars.usda.gov/417/1/526.pdf
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Imprime registro no formato completo
Late-afternoon-cut hay makes more milk NWISRL
Mayland, Hank; Shewmaker, Glenn.
Pouring a glass of milk is only a few steps away from pouring a glass of sunshine. Solar energy drives photosynthesis in green plants to produce simple sugars. When these plants are eaten by the cow, those sugars provide energy to rumen microorganisms which, in turn, provide energy to the cow for milk production. On warm sunshiny days, soluble sugars accumulate in plants faster than the plants can use them. At night, photosynthesis does not operate, and there is a loss of soluble sugars. This whole process results in a daily cycling of soluble sugars in the forage. Figure 1 clearly shows the gradual accumulation of plant sugar which builds as the day progresses. The drop in plant sugars occurs sometime after sunset.
Tipo: Article Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 2000 URL: http://eprints.nwisrl.ars.usda.gov/1234/1/1013.pdf
Registros recuperados: 112
Primeira ... 123456 ... Última
 

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