Geography
If you are given a choice between using traditional or modern methods of irrigation, which method you would prefer to use in your area and why?
Water Resources
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Answer
I would prefer to use drip irrigation which is a modern method of irrigation because of the following reasons:
- 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.
- It helps to conserve irrigation water.
- It allows the grower to customise an irrigation programme most beneficial to each crop.
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Related Questions
Given a choice which modern method of irrigation would you use to irrigate your farm? Give reasons to support your answer.
Nature has endowed India with plentiful water resources. Despite this, acute shortage of water is noticed in some states. What could be the reasons for this shortage?
In your city, critical shortage of water has been reported due to the sharp fall in the groundwater level. What steps you will take to check this scarcity of water?
Our country has a long history of water conservation techniques like (i) Surangam (Kerela): A horizontal well dug in laterite rock until a significant amount of water is struck. This water seeps out of the hard rock. Outside of the Surangam, the water is gathered in an open pit. (ii) Bawaris/Baolis (Rajasthan): A system of layered steps was created around the reservoirs to narrow and deepen the wells, reducing water loss through evaporation harvesting the scanty rainfall received by the region. (iii) Eri/ Ooranis (Tamil Nadu): A tank system that manages floods, minimises soil erosion and runoff during heavy rains. Thus recharging groundwater. (iv) Ahar Pynes (Bihar) are reservoirs with three-sided embankments (Ahar) constructed at the end of man-made diversion channels (Pynes). (v) Zing (Ladakh): Tank used to harvest water from glaciers. As the glacier melts during the day, a network of channels fill up with water. By the afternoon the water in the channels turns into a flowing stream which collects in the tank by evening and is used the next day.
Which one would be suitable for your city? Have you observed any of these traditional systems? If you have, briefly describe it.