Dr. Earth 724 Soft Rock Phosphate 0-2-0 Boxed, 3-Pound Dr. Earth Soft Rock Phosphate 0-2-0 3lb Colloidal phosphate infused with seven strains of beneficial soil microbes It is great for many projects in the garden, including use as an amendment for planting ornamental trees, shrubs, and bare root planting Use on bulbs, vegetables, roses and flowers, trees and shrubs, and all fruiting and flowering plants Colloidal phosphate infused with microbes Excellent source of natural phosphorous and calcium Provides short and long term benefits Stimulates root growth 0-2-0 formulation