List the features of Black soil

1.they are rich in nutrients like patash,calcium carbonate,magnesium,etc.

2.they r poor in phosphoric content.

3.they develop deep cracks during hot weather.

4.they r well known 4 deir water holding capacity.

5.they r made up of lava flows.

HOPE DIS WL HELP U.PLZZZZZ PRESS THUMBS UP.....:)