n. Rich, dark organic material formed decay of vegetable matter, essential to soil's fertility.
Synonyms and Antonyms
Synonyms: fertilizer, leaf mold, soil conditioner
Antonyms: herbicide, nonhumus
Organisms usually break down quickly into organic matter, forming humus.
Humus provides nutrients for plants and increases the ability of soil to retain water.
Humus - the essential ingredient: Graeme Sait at TEDxNoosa