With Safer® Brand TruBone+ Liquid Fertilizer Concentrate, your plants will be treated to a solution of fermented corn extracts and steamed bone meal. This concentration delivers an easily absorbed form of phosphorus and nitrogen to help your flowers, fruits, vegetables, herbs, medicinals, berries and potted plants. Made from fermented corn extracts and bone meal to deliver a powerful blast of immediately available nutrients. Use Trubone+as a supplement in your feeding schedule throughout the vegetative and flowering stages of your plant.