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How Golf Course Irrigation Is Done

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By Virginia Bennett


The process by which water is applied at regular intervals in controlled amounts to water land is called irrigation. This method has been in use for many centuries in the past and has continued to improve over time because of the benefits it presents. Many ancient civilization thrived because they relied on irrigating their lands to improve food production. Such civilizations include Mesopotamia, Greece, the Roman Empire, and Egypt.

Today, better methods of irrigating plants have been invented to replace the old, labor intensive methods used in the past. Initially, irrigation was mostly done to support the growth of agricultural crops, but that has changed as the process is used for several other purposes. One of the new uses of irrigation is maintenance of landscapes. Golf course irrigation is mostly done to maintain the landscape.

Irrigation is also done to revegetate soils in dry areas, which have been disturbed and to suppress the growth of weeds. In addition, lands are irrigated to offer plants protection from frost and to prevent soils from consolidating. Systems used for irrigating may also be used for other purposes such as disposing sewage and suppressing dust in mining and other operations.

Golf courses can be irrigated through all the three types of irrigation methods in existence. These methods are surface irrigating, sub-surface irrigating, and in-ground irrigating. Surface irrigating is the most common method used to irrigate land. In this method, the systems used for irrigation, such as sprinklers are passed on top of the ground. On golf courses, sprinklers are usually hidden below the surface so that they only come out when they are applying water. Drip irrigation is another form of surface irrigating, but it cannot be used in this setting.

Sub-surface irrigating is used rarely because of the way it works. Water supply to the ground is achieved through raising the water table. The water table in turn moistens the ground in which plants are grown. Moisture regulation is attained through drainage infrastructure that is incorporated into the landscape. Some of the places where this method is commonly used are permanent grasslands and along river banks.

In-ground irrigating system has all the components used for supplying water buried in the ground. Some of these components include pipes, emitters, sprinklers, and irrigating valves. Burying these components makes the landscape cleaner and more presentable. However, the fact that the components are buried below the ground makes maintenance and repair challenging. The landscape may have to be damaged during maintenance.

The irrigating system is normally subdivided into various zones, with the different zones connected through tubes and pipes. It is necessary to subdivide the irrigating system so that the required pressure level can be achieved in each zone. It would be difficult for the water to have an considerable pressure if the irrigating system is not subdivided. As such, it would be impossible to apply water in all the zones at once.

Each zone is installed with a solenoid valve for controlling the supply of water. The controlling is done through an irrigation controller. The irrigating controller determines when a given zone is to be irrigated and how long the water should be applied.




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