Humus

Partially decomposed organic matter in the SOIL, derived from the vegetation growing on it, and contributing to the soil's fertility.



phospholipids
phosphor
phosphorescence
phosphorescent
phosphoric
phosphorus
photo
photocells
photochemical
photochemically
photochemistry
photocopied
photocopier
photocopiers
photocopies
photocopy
photocopying
photoelectric
photoelectrically
photogenic
photograph
photographed
photographer
photographers
photographic
photographically
photographing
photographs
photography
photolysis