Down to Earth 17863 6-3-3 Citrus Fertilizer Mix, 1 lb Perfect mix to nourish citrus trees in home orchards and containers May also be used to feed other fruit trees, vines and ornamentals for equally enjoyable results Formulated with primary and secondary plant nutrients plus selected micronutrients that promote lush new growth, abundant green foliage, fragrant blossoms and bountiful fruit Ingredients: feather meal, fish bone meal, alfalfa meal, greensand, langbeinite, basalt, sulfate of potash, zinc sulfate and kelp meal