What is tubewell irrigation?
A tube well is a type of water well in which a long, 100–200 millimetres (3.9–7.9 in)-wide, stainless steel tube or pipe is bored underground. The lower end is fitted with a strainer, and a pump lifts water for irrigation. The required depth of the well depends on the depth of the water table.
Why tubewell irrigation is important?
Tube wells are extensively used in the states of Punjab and Western Uttar Pradesh. It is an important source of irrigation as it irrigates large areas of land in comparatively less time and it can irrigate the fields throughout the year.
What is the use of tubewell?
Tube-well water is used primarily as a source of drinking water by the vast majority (90%) of the rural population in Bangladesh (16). A tube-well is a small-diameter cased well fitted with a cast iron suction hand pump (1).
What are the advantages and disadvantages of tubewell irrigation?
Advantages: Tube wells do not result in evaporation of water like suface wells. It irrigates large area (400 hectares). Disadvantage: However tube wells are only possible in areas where the groundwater level is not too low power is needed to drain water.
Which type of irrigation is tube well irrigation?
Complete answer: Tube wells are the most suitable groundwater irrigation method in agriculture for smallholdings. It is more valid at the time when the surface water dries up during drought-like situations. It is a kind of water well, having a long pipe inside that is bored into an underground aquifer.
Which state is first in the tubewell irrigation?
Uttar Pradesh
Uttar Pradesh has the highest tube-well irrigation area in India. The first tube well was dug in 1930 in Uttar Pradesh. Uttar Pradesh accounts for 28-19% of the tube well-irrigated area of India. The 93-84 lakh hectare of land in UP is under tube well irrigation.
Which state leads in tubewell irrigation?
The correct answer is Uttar Pradesh. Uttar Pradesh has the highest tube-well irrigation area in India. The first tube well was dug in 1930 in Uttar Pradesh. Uttar Pradesh accounts for 28-19% of the tube well-irrigated area of India.
What are the advantages of well irrigation?
1 Answer. Three advantages of well irrigation are : (i) Well is the simplest and the cheapest source of irrigation as the farmer has to pay regularly for canal irrigation which is not the case with well irrigation. (ii) Well is an independent source of irrigation and can be used as and when the necessity arises.
What are the different types of tube-wells?
4.1. TYPES OF TUBE WELLS
- Screen wells. Strainer wells. Slotted pipe gravel pack wells.
- Cavity wells.
What are the disadvantages of tubewell irrigation?
The main disadvantage of using tube well systems for irrigation purposes is that it leads to depletion of the groundwater because of which the groundwater stock or pool may get exhausted and ground water is only used as a source.
What are the various types of tube wells?
All the three types of tube wells have been discussed one by one.
- Strainer Type Tube Well. It is the most commonly used type of tube well in our country.
- Cavity Type Tube Well. This is such a tube well which does not require any strainer.
- Slotted Type Tube Well. .