Question

Why is irrigation necessary?

Answer 1

A good crop yield requires availability of the right amount of the water. Plants can absorb minerals and fertilisers only in the presence of water.
Seeds do not germinate in the absence or scarcity of water. Hence irrigation is necessary.
Irrigation is necessary because it prevents the plant from frost and dry climate. it helps loosening of soil. plant can take nutrients from the soil through taking water from the soil