Answer:
(a) Growing of same crop in a field for long time makes
the soil deficient to certain nutrients, mainly nitrogen. Hence, Ajay adviced
Vijay to grow soyabean with maize because soyabean plant helps in fixing
atmospheric nitrogen and enrich the soil with nitrogen.
(b) Plants are unable to utilise atmospheric nitrogen directly.
Nitrogen fixing bacteria helps in fixing atmospheric nitrogen in the form of
nitrate, which would be easily utilised by plants.
(c) The passage shows that Ajay is a knowledgeable farmer
and is aware regarding soil fertility.
You need to login to perform this action.
You will be redirected in
3 sec