フミン酸さんフミンさんMeanings1nounhumic acidTechnical term in chemistry and soil science; refers to a complex mixture of organic acids produced by the decay of organic matter.フミン酸さんは土ど壌じょうの肥ひ沃よく度どに重じゅう要ような役やく割わりを果はたす。Humic acid plays an important role in soil fertility.
