Organic matter breaks down (decays) to form humus.
It becomes humus!
Another term for decayed organic matter is "humus".
The formation of complex organic matter in soil is called Humus
it is humus
humus
humus
HUMUS . . . cures urvythang.
Soil organisms that turn dead organic matter into humus are called decomposers.
compost
Provide most of the organic matter that gets broken down to form humus.
Animal feces and dead plants that are decayed can become humus.
The organic matter in soil is called humus.