Kūpono ʻo Humic acid i nā ʻano mea kanu like ʻole, e like me nā mea kanu, nā lau, nā hua, a me nā pua. hiki iā ia ke hoʻonui i ka hana o nā enzyme like ʻole, e hoʻonui ana i ka ikaika o ka photosynthesis a me ka hanu. No laila, e kala ʻia ka hua ma mua, e loaʻa ana i ka hua kiʻekiʻe a me ka waiwai nui.