Soil is part of a group of materials covering our planet, these include in order ; base rock, subsoil , soil, decomposed organic matter and organic materials. The top 3 interest us the most. What is the best ratio of,
Soil: compost: mulch?
Also what is the difference between ,soil compost, and mulch or are these the same thing in transition?
(Rock+organic materials+microbiology= soil)