(N) Nitrogen (P) Phosphorus (K) Potassium (CA) Calcium (Mg) Magnesium (S) Sulfur Plant - Based Alfalfa meal 3-0.5-3 Ca 8 Mg0.3 S 0.1 Corn gluten 9-0-0 ca 0 Mg 0 s 0 Cottenseed meal 7-2.5-1.5-1.5 ca 0.5 mg 1 s 0.2 Soybean meal 7-1.2-1.5-0.4 Ca 0.4 mg 0.3 s 0.2 Seaweed 0.7-0.8-5 Ca 0.2 Mg 0.1 S 0 Wood Ash 0-2-6 Ca 20 Mg 1 S 0 Kelp Meal 1-0-2 potash 0-0-30 Animal Based Blood meal 15-3-0 Ca 0.3 Mg 0 S 0 some are 12-0-0 Bonemeal 3.5-22-0 Ca 22 MG 0.6 S 0.2 Feathermeal 15-0-0 Ca 0 MG 0 S 0 Fish Products 10-6-0 Ca 6 Mg 0.2 S 0.2 Bonechar 0-16-0 Alask fish fert 5-1-1 Neptunes harvest 2-3-1 Mined Minerals Granite dust 0-0-4 Ca 0 MG 0 S 0 Greensand 0-1-8 Ca 0.5 Mg 3 S 0.1 Gypsum 0-0-0.5 Ca 22 Mg 0.4 S 17 Langbeinite 0-0-22 Ca 0 Mg 18 S 27 Dolomitic Lime 0-0-0 Ca 25 MG 9 S 0.3 Calcitic Lime 0-0-0.3 Ca 32 MG 3 S 0.1 Rock Phosphate 0-25-0 Ca 0 Mg 0 S 10 Zeolite 0-0-3.2 Ca 2.5 Ca 2.5 S 0 Azomite 70 trace minerals from A-Z Recycled Materials Coffee grounds 2-.3-.3 Ca .1 Mg .1 S 0 Grass clipings 4-1-3 Ca 8 Mg 3 S .5 Leaves .8-.4-.2 Ca 0 Mg 0 S 0 Sawdust .2-0-.2 CA 0 Mg 0 S 0 Compost 1-0.5-1 Ca 0.3 MG 0.2 S 0.3 Manures Chicken 2-1.5-.5 Ca 2 Mg .2 S .1 Cow .5-.2-.5 Ca .2 Mg .1 S .1 Horse .6-.2-.5 Ca .5 Mg .1 S.1 Sheep 1-.3-1 Ca 1 Mg .1 S .05 Jamaican bat guano 1-10-0.2 Mexican Bat Guano 10-2-1 Peruvian seabird guano 10-10-2 Indonesion Bat guano .5-12-2 Fossilized sea bird guano 1-10-1