Question

Which of the following practices can help in water. conservation in agriculture?

1. Reduced or zero tillage of the land.

2. Applying gypsum before irrigating the field.

3. Allowing crop residue to remain in the field.

Select the correct answer using the code given below:

(a) 1 and 2 only

(b) 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Answer 1

Correct option is (c) 1 and 3 only

According to the Kurukshetra Magazine November 2017 special issue on irrigation: Tillage exposes the soil to drying, conversely, reductions in tillage help conserve soil water. So 1 is right. The retention of crop residues helps in reducing water loss from the soil to the air and cools the soil. So, 3 is right.