Humic

[hju:mik]

(adj.) of or relating to or derived from humus; 'humic acid' .

Typed by Hester--From WordNet

(a.) Pertaining to, or derived from, vegetable mold; as, humic acid. See Humin.

Checked by Desmond

adj. denoting an acid formed by the action of alkalies on humus or mould.

Checked by Godiva