... and animal residues by microorganisms, under aerobic and anaerobic conditions, in soils, composts, peat bogs, and water basins. Chemically, ... (vegetable & non-vegetable), citrus, turf, flowers, and particularly in organically-deficient soils. Humic acid is not a fertilizer as ... Does Humic Acid Improve Plant Growth?As mentioned above, one way plant growth is improved is through the structural improvement ...