Liquid Humate Plus contains naturally-occurring rooting hormones that help increase root mass and root length, allowing plants to absorb nutrients more efficiently. Liquid Humate Plus contains: liquid humate, humic acid, liquid yucca extract, soluble sea kelp, beneficial microbes and composted organic poultry manure extract. Liquid Humate Plus feed beneficial microbes, increasing soil fertility and stimulates root growth, allowing for more efficient nutrient uptake. Contains composted organic poultry manure extract, an organic nitrogen source. Improves the health of the soil over the ling-term, helping it regulate itself better. Trichoderma Harzanium is one of the beneficial microbes found in Liquid Humate Plus.