Results 271 to 280 of about 140,482 (308)

Deep Percolation under Center Pivots with No-till

5th National Decennial Irrigation Conference Proceedings, 5-8 December 2010, Phoenix Convention Center, Phoenix, Arizona USA, 2010
Percolation of water beneath the plant root zone and subsequent flow in the intermediate vadose zone are important processes that affect not only the efficiency of center-pivot irrigation systems but also the transport of contaminants and return flow to the groundwater.
null D E Eisenhauer, null J H Deck, null S Irmak   +2 more
openaire   +1 more source

Corrosive Ground Water Treatment for Center Pivots

Applied Engineering in Agriculture, 1987
CORROSIVE ground water can drastically reduce the useful life of a center pivot irrigation system. A number of treatment systems were reviewed as potential solutions to the corrosive water problem. Based on this evaluation, a treatment system was developed and tried on three irrigation systems.
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The Center Pivot - The First Irrigation Machine

SAE Technical Paper Series, 1979
<div class="htmlview paragraph">The commercial development of the center pivot irrigation machine has brought the technology of machine design into an area formerly dominated by hydraulics and hydrology. The major attributes of these systems--accommodations to sandy soils and rolling terrain, efficiency in application of water, automation and ...
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California's Reluctant Acceptance of Center Pivot Irrigation

Yearbook of the Association of Pacific Coast Geographers, 1979
CENTER PIVOT TECHNOLOGY is having a greater impact on irrigation farming in America t an a y development sin e the invention of the impulse sprinkler and the introduction of lightweight aluminum pipe. In only a few years, center pivots have appeared on the rural landscape of forty states and are now the single most important type of irrigation in nine ...
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Analyzing Center Pivot Irrigation Investments

Transactions of the ASAE, 1981
null R. A. Schoney, null L. R. Massie
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Center‐Pivot End Gun Irrigation Cost Analysis

Journal of Irrigation and Drainage Engineering, 1989
The analysis quantified the energy required to deliver pressure head for the area irrigated by an end gun.
openaire   +1 more source

Center pivot irrigation in Nebraska

Journal of Geography, 1980
Benjamin F. Richason, Don Buckwalterand, Paul Seevers   +2 more
openaire   +1 more source

What is a pivot? Explaining when and how entrepreneurial firms decide to make strategic change and pivot

Strategic Management Journal, 2023
Jacqueline Kirtley, Siobhan O'Mahony
exaly  

Center-Pivot Irrigation

Scientific American, 1976
openaire   +1 more source

Center-Pivot System Design

1990
Jack Keller, Ron D. Bliesner
openaire   +1 more source