Question

properties of black soil

Answer 1

Rich proportion of  montmorillonite is found in Black cotton soil from mineralogical analysis. High percentage of montomonillonite renders high degree of expansiveness. These property results cracks in soil without any warning. These cracks may sometimes extent to severe limit like ½” wide and 12” deep. So building to be founded on this soil may suffer severe damage with the change of  atmospheric conditions. 

Answer 2

There are so many properties of the black soil .
some of them are.......
1st.
It has the tendency to become sticky when wet
2nd
It is largely used for growing cotton and is even known as the cotton soil