57. Which soil layer is the most fertile layers of carth's crust?
(a) Top soil
(b) sub soil
(c) sandy soil
(d) All of these
Answers
Answered by
1
topsoil
The A horizon is directly below the surface litter and is commonly called topsoil. The A horizon contains humus, living organisms, and some minerals. It is the most fertile part of the soil.
Answered by
0
Answer:
top soil, as it include humus
Similar questions