There are many forms of irrigation from hand held buckets with scoops to sophisticated industrial scale irrigation systems. In the villages however, most is done by hand or with canals which then either flood the fields (as in rice cultivation) or the water is regulated into the fields by gates. If it is done by hand, then they will use a bucket brigade with scoops and give each plant a drink every day or every few days depending upon the crop and the conditions.
Cropping patterns are impacted by availability of water, climatic conditions and crop demands. These can remain very stable for many years but with current changes in the climate, many of the traditional patterns are being forced into change. Also the industrialization of farming in parts of India are also changing the make up of these patterns with large farms or coop-farms begining to supply food stuffs on a larger scale. These farms use mechanized irrigations systems and much of this water comes from the new multipurpose dam and resevoir systems across the country.
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