Organic Peat Humus is used to enrich your existing topsoil, adding all the necessary nutrients for great plant growth. natural plant food and nutrient, humus can be used as a root stimulant, soil activator, chemical free fertilizer, plant growth stimulant, lawn fertilizer, organic pesticide, and more. Humus is vital to the growth of plants because it helps balance the soil and increases the metabolism of a plant’s natural root system. Used by gardeners, farmers, nurseries, landscapers, and other growers, humus helps increase the size, quality, and quantity of flowers and plants – safely and naturally. Humus is high in organic material with Nitrogen (28 lbs/CY), Phosphourus (13 lbs/CY), Potash (14 lbs/CY).