Master Nursery® Bumper Crop® Natural & Organic Citrus & Fruit Tree Food is a blend of natural ingredients for use with citrus and other home orchard fruit trees and acceptable for use in organic production. It is formulated to encourage new growth, lush green foliage and to support bountiful crops. It is rich in nutrients essential for fruiting all crops. This product also contains phosphate and potash, which are important for fruit production. It may also be used to feed shade trees, flowering trees, berries, ornamental and fruiting vines.