Question

A farmer grows wheat year after year he
finds that yield becomes low. Give an
appropriate reason for it and what are the
methods he should follow afterwards.

Answer 1

Answer:

A farmer grows wheat year after year after he finds that field becomes low because he might be using fertilizers and pesticides that make the soil is fertile thereby decreasing the nutrients in yields.

Reason: One type of crop year after year, makes the soil less fertile. So farmers should use crop rotation.

Answer 2

Answer:

Reason - the fertility of the soil decreases and the plant must not have grown well.

methods - he should use modern techniques like using HYV seeds or using fertilisers