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Question
Answer the following question.
How is over-irrigation responsible for land degradation in Punjab?
Solution
Water is very important for the growth of plants but excessive irrigation of the field leads to waterlogging of soil. Too much water is harmful for crop production because too much water in the soil inhibits the process of germination of seeds. It due to the reason that under these conditions the seeds do not get sufficient air to respire
You must have seen that potted plants do not grow well if they are given excess water. This is due to the reason that excess water affects soil aeration and hence plants roots do not grow properly. Thus, Overirrigation is a big problem.
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