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Irrigation is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has been developed by many cultures around the world. Irrigation helps to grow crops, maintain landscapes, and revegetate disturbed soils in dry areas and during times of below-average rainfall. In addition to these uses, irrigation is also employed to protect crops from frost, suppress weed growth in grain fields, and prevent soil consolidation. It is also used to cool livestock, reduce dust, dispose of sewage, and support mining operations. Drainage, which involves the removal of surface and sub-surface water from a given location, is often studied in conjunction with irrigation.
Center-pivot irrigation, also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers. A circular area centered on the pivot is irrigated, often creating a circular pattern in crops when viewed from above. Most center pivots were initially water-powered, however today most are propelled by electric motors.
A fire sprinkler system is an active fire protection method, consisting of a water supply system providing adequate pressure and flowrate to a water distribution piping system, to which fire sprinklers are connected. Although initially used only in factories and large commercial buildings, systems for homes and small buildings are now available at a cost-effective price.
Water conservation includes all the policies, strategies and activities to sustainably manage the natural resource of fresh water, to protect the hydrosphere, and to meet the current and future human demand. Population, household size and growth and affluence all affect how much water is used. Factors such as climate change have increased pressures on natural water resources especially in manufacturing and agricultural irrigation. Many countries have already implemented policies aimed at water conservation, with much success. The key activities to conserve water are as follows: any beneficial reduction in water loss, use and waste of resources, avoiding any damage to water quality; and improving water management practices that reduce the use or enhance the beneficial use of water. Technology solutions exist for households, commercial and agricultural applications. Water conservation programs involved in social solutions are typically initiated at the local level, by either municipal water utilities or regional governments.
Drip irrigation or trickle irrigation is a type of micro-irrigation system that has the potential to save water and nutrients by allowing water to drip slowly to the roots of plants, either from above the soil surface or buried below the surface. The goal is to place water directly into the root zone and minimize evaporation. Drip irrigation systems distribute water through a network of valves, pipes, tubing, and emitters. Depending on how well designed, installed, maintained, and operated it is, a drip irrigation system can be more efficient than other types of irrigation systems, such as surface irrigation or sprinkler irrigation.
This is a glossary of firefighting equipment.
Orbit Irrigation Products, Inc, located in Salt Lake City, UT, United States, is a manufacturer and supplier of irrigation products for residential and commercial markets and has been in business since 1986. It distributes over 2,000 products to 40 countries on five continents.
Rain Bird Corporation is an international privately held manufacturer and provider of irrigation products and services for landscapes, golf courses, sports fields, and agriculture which are designed to minimize water consumption. The firm is headquartered in Azusa, California, with offices and manufacturing facilities in Tucson, Arizona; Steele, Alabama; Tijuana Mexico; France; and China. Rain Bird sells more than 4,000 products and services in over 130 countries.
Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces. The volume of a mechanical pressure washer is expressed in gallons or liters per minute, often designed into the pump and not variable. The pressure, expressed in pounds per square inch, pascals, or bar, is designed into the pump but can be varied by adjusting the unloader valve. Machines that produce pressures from 750 to 30,000 psi or more are available.
The Toro Company is an American company based in the Minneapolis suburb of Bloomington, Minnesota that designs, manufactures, and markets lawn mowers, snow blowers, and irrigation system supplies for commercial and residential, agricultural, and public sector uses.
Hunter Industries is a manufacturer of irrigation and outdoor lighting equipment for the landscaping, residential, commercial, agricultural, and golf course industries, based in San Marcos, California. Hunter Industries also offers sanitary dispensing products such as automatic paper towel and soap dispensers. It is the second largest employer in San Marcos after the San Marcos Unified School District.
Irrigation is a widespread practice required in many areas of Australia, the driest inhabited continent, to supplement low rainfall with water from other sources to assist in growing crops and pasture. Overuse or poor management of irrigation is held responsible by some for environmental problems such as soil salinity and loss of habitat for native flora and fauna.
An impact sprinkler is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use. Though it has in many situations been replaced by gear-driven "rotor heads", many varieties of impact sprinkler remain in use.
Simpson was a manufacturer of household appliances based in Adelaide, Australia. It now exists as a brand within the Electrolux Australia group.
Xeriscaping is the process of landscaping, or gardening, that reduces or eliminates the need for irrigation. It is promoted in regions that do not have accessible, plentiful, or reliable supplies of fresh water and has gained acceptance in other regions as access to irrigation water has become limited, though it is not limited to such climates. Xeriscaping may be an alternative to various types of traditional gardening.
The Coachella Valley Water District is an independent special district formed in 1918, specifically to protect and conserve local water sources in the Coachella Valley. Since then, the district has grown into a multi-faceted agency that delivers irrigation and domestic (drinking) water, collects and recycles wastewater, provides regional storm water protection, replenishes the groundwater basin and promotes water conservation.
Micro-irrigation, also called Micro-spray,localized, low-volume, low-flow, or trickle irrigation, is an irrigation method with lower water pressure and flow than a traditional sprinkler system. Low-volume irrigation is used in agriculture for row crops, orchards, and vineyards. It is also used in horticulture in wholesale nurseries, in landscaping for civic, commercial, and private landscapes and gardens, and in the science and practice of restoration ecology and environmental remediation. The lower volume allows the water to be absorbed into slow-percolation soils such as clay, minimizing runoff.
San Diego County Water Authority (SDCWA) is a wholesale supplier of water to the roughly western third of San Diego County, California. The Water Authority was formed in 1944 by the California State Legislature. SDCWA serves 24 member agencies with 36 Board of Director members. In addition to local water sources, water is imported from the Colorado River and Sacramento-San Joaquin River Delta through The Metropolitan Water District of Southern California. SDCWA is the sole recipient of fresh water produced by the Claude "Bud" Lewis Carlsbad Desalination Plant.
Senninger Irrigation is a wholly owned subsidiary of Hunter Industries and manufacturer of irrigation products and services, based in Clermont, Florida.
A rainfall simulator is used in soil science and hydrology to study how soil reacts to rainfall. Natural rainfall is difficult to use in experimentation because its timing and intensity cannot be reliably reproduced. Using simulated rainfall significantly speeds the study of erosion, surface runoff and leaching.
References
- ↑ "The Basics of Matched Precipitation" (PDF). Hunter Industries. Retrieved 21 February 2015.
- ↑ "Advantages of Matching Precipitation Rates" (PDF). RainBird. Retrieved 21 February 2015.
- ↑ "Matching Precipitation Rates". KSU Turf. Archived from the original on 21 February 2015. Retrieved 21 February 2015.
- ↑ "A WATER-SAVING SPRINKLER NOZZLE". Ewing Irrigation. Archived from the original on 21 February 2015. Retrieved 21 February 2015.
- ↑ "Hunter Industries Acquires MP Rotator Turf Sprinkle Business from Nelson Irrigation Corp". EBSCOHost. Archived from the original on 21 February 2015. Retrieved 21 February 2015.
- ↑ "Sprinklers: Clearing the Mist". IGIN. Retrieved 21 February 2015.
- ↑ "MPR Series". RainBird. Retrieved 21 February 2015.
- ↑ "MPR Plus Nozzles". Toro. Retrieved 21 February 2015.
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