humusartigen
Humusartigen is a German-derived adjective that broadly denotes materials or characteristics that are humus-like—resembling the dark, partially decomposed organic matter found in soils. In soil science the term is used to describe organic residues, layers, or fractions that contribute to soil humus, including colloidal humic substances such as humic acids, fulvic acids and humin.
Formation of humusartigen material results from the breakdown of plant and animal residues by microorganisms and
Physically and chemically, humus-like material is typically dark brown to black, has high porosity and water
In land management, promoting humusartigen content is a goal of sustainable practices such as adding compost