Geography
Picture 7(a) shows drip irrigation in a field. List its advantages.
Water Resources
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Answer
The advantages of Drip irrigation are as follows:
- It is the most advanced and efficient method of irrigation.
- This system consists of perforated pipes that are placed between rows of crops or buried along their root lines and give water directly on to the crops.
- As a result, evaporation is drastically reduced and irrigation water is conserved.
- Drip irrigation allows the grower to customise an irrigation programme most beneficial to each crop.
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Related Questions
Give a geographical reason for each of the following:
(i) Modern means of irrigation are gaining popularity.
(ii) Sprinkler irrigation helps in conserving water.
(iii) Spray irrigation is quite expensive.
What is meant by furrow irrigation? What is its advantage?
Picture 7(b) is Agrasen ki Baoli (New Delhi) — a step-well whose current form is believed to be constructed in the 14th century. The water level varies seasonally. It is designed to ensure water availability throughout the year with all fluctuations. Write a short note on any traditional irrigation method.
Give a geographical reason for each of the following:
(i) Loss of water due to evaporation is highest in tanks.
(ii) Many cities have banned construction of tubewells.
(iii) Rabi crops are grown in areas with irrigation facilities.