Give a detailed account on irrigation.
Answers
Answer:
Irrigation: 1. The supply of water to crops at regular intervals is called irrigation. 2. Source of irrigation – Wells, tube wells, ponds, lakes, rivers, dams and canal.
Traditional Methods: 1. Irrigation is done manually.
2. Here, a farmer pulls out water from wells or canals by himself or using cattle and carries to farming fields.
3. Pumps used for lifting water from various sources.
4. Diesel, biogas, electricity and solar energy are the sources of energy needed to run these pumps. Modern Methods:
1. It helps to overcome the problems exist in the traditional methods.
2. It also facilitates the even distribution of moisture in the field.
Sprinkler system:
1. Sprinkles water over the crop and helps in an even distribution of water.
2. This method is advisable in areas facing water scarcity.
3. Pump is connected to pipes which generate pressure and water is sprinkled through the fine nozzles of pipes.
Drip System: 1. Here, water is released drop by drop exactly at root zone using a hose or pipe.
2. This method is effective one in regions where the availability of water is less.
Explanation:
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Answer:
Irrigation is the process of applying controlled amounts of water to plants at needed intervals. Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall. Irrigation also has other uses in crop production, including frost protection,[1] suppressing weed growth in grain fields[2] and preventing soil consolidation.[3] In contrast, agriculture that relies only on direct rainfall is referred to as rain-fed.
The hub of a center-pivot irrigation system
Leaks in micro-irrigation drip lines
Irrigation systems are also used for cooling livestock, dust suppression, disposal of sewage, and in mining. Irrigation is often studied together with drainage, which is the removal of surface and sub-surface water from a given area.
Irrigation canal in Osmaniye, Turkey
Sprinkler irrigation of blueberries in Plainville, New York, United States
Irrigation has been a central feature of agriculture for over 5,000 years and is the product of many cultures. Historically, it was the basis for economies and societies across the globe, from Asia to the Southwestern United States.