Question

how are different varieties of crops grown in different parts of our country

Answer 1

Bcoz the different parts have different minerals in their soil and different types of soils which supports different crops the climate is also different in different places.

Answer 2

One of the factors that contributes to the cultivation of different types of crops in  different parts of the country is the difference in soil type from one geographical region to another.

Another factor is the difference in the weather conditions of different geographical regions. Some crops tend to do well in certain weather conditions while others may not thrive at all.