He matū pararopi kua oti te popo. Nā te āhua kakaru o te paraumu e āhei ana ki te miti, ki te pupuri i te wai me te taiora. Mā te paraumu e noho ora ai ngā rauropi kanorau o roto i te oneone.
Organic material that has completely decayed. Because of the spongy nature of humus, it is able to absorb and hold water and nutrients. Humus provides sustenance for a diversity of organisms within the soil.