organic matter and humus are related because they are darker in a way. and many leaves that fall from forest trees every autumn help form humus. the decaying leaves and plentiful rainfall form thick fertile soil.
Provide most of the organic matter that gets broken down to form humus.
Organic matter breaks down (decays) to form humus.
it is humus
The formation of complex organic matter in soil is called Humus
it is humus
Topsoil contains organic matter (humus)
Humus
It becomes humus!
humus
humus
HUMUS . . . cures urvythang.
Soil organisms that turn dead organic matter into humus are called decomposers.