It depends on what is making the soil black. The colour itself has little to do with water retention.
it is the ability of soil to retain water
Clayey Soil most retain water.
The best one would be gardening soil
desert
top soil
The Best Soil to grow rice is in Alluvial / Clayey Soil. This is because it can retain Moisture and Water.
the problem is that sandy soil has not the properties to retain water. Kushagra agrawal
Gravel does not absorb water as much as soil. Gravel has larger pore spaces and lacks the fine particles that help retain water, so water tends to flow through gravel more easily. Soil, on the other hand, has small pores that can hold and retain water.
black soil retain moisture and become sticky when wet.This property of retaining moisture and releasing it when required during dry periods is very useful for the crops.
Water tends to sink quickly through gravelly soil (classed as quick draining), though not as quickly as through a sandy soil. Any soil between the gravel will absorb and retain some of the water.
Soil both absorbs and retains heat. The length of time soil retains its heat is dependent upon the amount of moisture or water in the soil.
It is used as a soil conditioner to help retain water.