1. UBC Unicorp Gold Unicrop Gold is a combination of Humic Acid and Fulvic Acid, which are an organic plant deposits useful for the development of white root, increases water holding capacity in soil, transfers nutrients from soil to crop root and stimulates the production of chlorophyll. Mechanism of Action Humic acid and fulvic acid are an organic plant deposits useful for the development of white root, increase water capacity in soil, transfer nutrients from soil to crop root and stimulates the production of chlorophyll.