Talk to some elderly persons in your region and write a small report on the changes in irrigation and changes in production methods during the last 30 years.
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changes in irrigation are in past time farmers were dependent on rain and nowadays irrigation is done by tube Wells dame. production changes are are in past time production was very less on the same piece of land and today using HV seed production has also increased .follow me, thanks my answer, and mark my answer as brainlist
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