Asked in ScienceSoil
What are the different layers of soil?
September 27, 2017 3:26AM
Top·soil - the upper fertile layer of soil from which plant roots take nutrients.
Hu·mus - a brown or black complex variable material resulting
from partial decomposition of plant or animal matter and forming
the organic portion of soil.
Eluviation - the transportation of dissolved or suspended material within
the soil by the movement of water when rainfall exceeds evaporation.
Regolith - the layer of loose rock particles that covers the bedrock of most land
Bedrock - the solid rock beneath loose rock particles or soil.
Mineral - a solid homogeneous crystalline chemical element or compound
that results from the inorganic processes of nature; broadly : any of various
naturally occurring homogeneous substances (as stone, coal, salt, sulfur,
sand, petroleum, water, or natural gas) obtained usually from the ground.