Q22 of 465 Page 63

Mention three effects of excessive irrigation.

Effects of excessive irrigation:

(i) It causes water logging.


(ii) It increases salinity in the soil.


(iii) The roots do not get proper aeration due to which they rot and die.


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20

Why is irrigation essential?

 21

How does excessive irrigation lead to soil salinity?

 23

Why water should be used judiciously?

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Explain advantages of irrigation.