Question

farmers must be aware of the amount of water required for growing various crops why​

Answer 1

Answer:

Farmers should know the amount of water required for different types of crops so they should only absorb as much as they need and not block the air supply to the roots in the soil. Also, adequate water should be given so that there is no compromise among some plants fighting for limited water.

Answer 2

Answer:

Because as excess of everything is bad similarly excess of water to crops and scarcity of water to crops can even harm them......

hope it helps you....