Basic materials of soil

Before we go futher...we should understand the basic of soil itself.First, soils and growing media are made up of two types of materials which is:

-Organic matter
-Inorganic compounds

Organic matter consist of dead plant or animal tissue which contains carbon
while inorganic matter do not contain carbon and usually sterile. Inorganic compounds have
categories or types which is:
-Soilless media-artificial soil

-Vermiculite-mica mineral matter used to start seeds and cuttings, helps hold moisture, has neutral pH
--natural volcanic material that helps aeration and water-holding capacity

organic matter

Dark Color Indicates Organic Matter

inorganic compounds

vermiculate-inorganic matter

perlite-inorganic matter