E.B. Stone Organics Citrus & Fruit Tree Food is a blend of select natural organic ingredients for use on all types of citrus trees including: orange, lime, lemon, grapefruit, kumquat, and buddha's hand. It is formulated to encourage new growth, lush green foliage and to support bountiful crops. It is blended with humic acid and beneficial soil microbes including mycorrhizae. It is blended with humic acid and beneficial soil microbes including mycorrhizae. NPK: 7-3-3 Derived from: Blood Meal, Dried Chicken Manure, Bat Guano, Alfalfa Meal, Kelp Meal, Potassium Sulfate, Humic Acid, and soil microbes including mycorrhizal fungi.