Question

why does the soil formation take a long period of time?​

Answer 1

The time needed to form a soildepends on the latitude: in environments characterized by a mild climate, it takes 200-400 years to form 1 cm of soil. in wet tropical areas soil formation is faster, as it takes 200 years. in order to accumulate enough substances to make a soil fertile ittakes 3000 years.

Answer 2

Bcz it is primary succession which is very slow process
1inch soil formation can take 500-1000 years