center-pivot sprinkler system

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• Center pivot irrigation — Satellite image of circular fields characteristic of center pivot irrigation Center pivot irrigation (sometimes called central pivot irrigation), also called circle irrigation, is a method of crop irrigation in which equipment rotates around a… …   Wikipedia

• center pivot — A type of sprinkler system commonly used on large scale farms in arid areas. Water is delivered to the center of a field by a deeply buried pipe, which attaches to main pipe that is supported on wheeled towers and pivots up to 360 degrees to… …   Combined glossary of agriculture

• Controlled demolition hypothesis for the collapse of the World Trade Center — The controlled demolition hypothesis is a 9/11 conspiracy theory that claims the complete structural failure of the World Trade Center towers was not caused by the plane crash damage that occurred as part of the September 11, 2001 attacks, nor by …   Wikipedia

• World Trade Center controlled demolition conspiracy theories — Aerial view of the debris field of the North Tower, 6 WTC, and 7 WTC (upper right) The World Trade Center controlled demolition conspiracy theory is a conspiracy theory which contends that the collapse of the World Trade Center was not caused by… …   Wikipedia

• Irrigation — For its use in viticulture, see Irrigation in viticulture. For its use in medicine, see Therapeutic irrigation. LEPA redirects here. For the airport serving Palma de Mallorca, Spain, assigned the ICAO code LEPA, see Palma de Mallorca Airport.… …   Wikipedia

• Irrigation in Brazil — has been developed through the use of different models. Public involvement in irrigation is relatively new while private investment has traditionally been responsible for irrigation development. Private irrigation predominates in the populated… …   Wikipedia

• Nebraska — /neuh bras keuh/, n. a state in the central United States. 1,570,006; 77,237 sq. mi. (200,044 sq. km). Cap.: Lincoln. Abbr.: NE (for use with zip code), Nebr., Neb. * * * State (pop., 2000: 1,711,263), west central U.S. Bordered by South Dakota,… …   Universalium

• Kufra — Kufra …   Wikipedia

• Weighing scale — Emperor Jahangir (reign 1605 1627) weighing his son Shah Jahan on a weighing scale by artist Manohar (AD 1615, Mughal dynasty, India). A weighing scale (usually just scales in UK and Australian English, weighing machine in south Asian English or… …   Wikipedia