SHOCK, the stable form of organic matter,
is the primary source of carbon in the soil.
Soils rich in humus contain an abundance of biological activity that allows for the
oxidization of crop residues and animal manures.
Soils across the United States contain varying levels of humus.
Research has shown agricultural practices focused on maximum output
SHOCK, can reduce humus and beneficial bacteria in soil, causing the soil to lose some of its natural productivity and fertility.