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Essay On Canal System

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Thousands of crores of rupees have been invested in creation of irrigation schemes and the performance of many of such schemes falls far below expectations. Problems associated with these irrigation schemes are at least partially due to ineffective operation of canal networks. Canal automation is the application of automatic devices or logic to assist in the operation of canal systems. It represents a wide array of technologies, ranging from simple mechanical devices to complete computerized control. As the technology applied is diverse in nature, canal automation means different things to different people. It is applied to different aspects of overall operation of a canal system, using different hardware/software and with different control objectives. It refers to a wide variety …show more content…
There is a huge variation in the rainfall from place to place and time to time. Almost entire rainfall occurs in India during the monsoon season that is from the month of July to September. For the rest of the year, there is almost no rain or very little rain. During the months of monsoon, plants get water naturally from the storm water, hence, irrigation is not needed. But during the summer season which starts from around March and lasts up to June water at the root zone is almost used by the evaporation due to summer heat and the transpiration process of the plants to keep them cooler from the heat of the sun. This water needs to be replenished timely. If this water is not replenished, plants do not get water for their basic metabolism and wilt up. How-ever if water is added to the soil artificially, plants can be saved.

The total geographical area of India is about 328 million hectors, out of which, about 184 million hectors is cultivable. In order to save this area from the complete wishes and vagaries of nature, and to ensure full growth of crops, adequate artificial irrigation systems should be developed.
(1.3) HISTORY OF IRRIGATION IN

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