Question

Why excessive irrigation is harmful to the crops?write any three reasons

Answer 1

Answer:

Too much water is the soil inhibits the process of germination of seeds. ... This is due to the reason that excess water affects soil aeration and hence plants roots do not grow properly. 3. Excessive water in the fi3eld increases the amount of salt on the surface of soil due to evaporation.....

Answer 2

1)excessive irrigation results in saline and alkalinity which is not suitable for crops

2)excessive irrigation results in water logging which deaccelarates the flow of water penetrate through soil

3)crops fail due to over irrigation

ex:punjab,harayana