Agriform Planting Tablets contain micronutrients derived from sulfates, which results in more nutrition being utilized by the plant. The simplicity of these pre-measured tablets ensures uniform and adequate root zone feeding of trees, shrubs and ground covers for up to two years. Specifications Total Nitrogen (N)....................................... 20% 2.4% Urea Nitrogen 4% Other Water Soluble Nitrogen 13.6% Water Insoluble Nitrogen Available Phosphate (P2O5)....................... 10% Soluble Potash (K2O)................................. 5% Calcium (Ca).............................................. 3% Magnesium (Mg)......................................... 0.7% Sulfur (S).................................................... 2% 2% Combined Sulfur(S) Boron (B).................................................... 0.04% Copper (Cu)................................................ 0.05% 0.05% Water Soluble Copper (Cu) Iron (Fe)...................................................... 0.5% 0.5% Water Soluble Iron (Fe) Manganese (Mn)......................................... 0.07% 0.07% Water Soluble Manganese (Mn) Zinc (Zn)...................................................... 0.05% 0.05% Water Soluble Zinc (Zn) Additional Information Scotts Agriform Planting Tablets 20-10-5 Label (PDF) MSDS 10G (PDF) MSDS 21G (PDF)