Assertion (A): Per hectare yields of most crops in India

Assertion (A):
Per hectare yields of most crops in India is very low, compared to that of many other countries.
Reason (R):
Most of the farmers in India are illiterate.

1. Both (A) and (R) are true, and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
5. Both (A) and (R) are false.

The yield is low because of many reasons such as old agriculture technique, absence of good quality inputs and so on.