The Seed Supply Grows with Nature Natural Fertilizer, 25 lb

PHOSUL is an organic, plant-available phosphate plus added elemental sulphur fertilizer. In the soil, phosphate in rock phosphate is biologically transformed into plant-available phosphate and gypsum. PHOSUL provides a natural process to make continuous release phosphate fertilizer. GUARANTEED ANALYSIS: Total Phosphate (P2O5) 16.0% Available Phosphate (P2O5) 6.0% Sulfur (S) 4.0% Calcium (Ca) 16.0% Silicon Dioxide (Si02) 7.0% Derived from Rock Phosphate, Elemental sulphur, and non-crysalline Silica The PHOSUL granules should be incorporated in the soil at seeding or surface spread, as granules, or in blends, to provide vital phosphate for plant growth.