) Sludge (activated) Lobster refuse Wool wastes Dried blood Banana residues (ash) Apple skins (ash) Orange skins (ash) Pea pods (ash) Cottonseed meal Hoof and horn meal Tankage Castor pomace Rapeseed meal Wood ashes Cocoa shell dust Chicken manure Rabbit manure Silk especially mill wastes Sheep and dude manure Swine manure Horse manure Cattle manure NATURAL SOURCES OF PHOSPHATE (OTHER THAN PHOSPHATE ROCK OR BONEMEAL) The the further phosphate sources are listed just so fm. highest phosphorus decent manner to lowest. For absolutely specific phosphorus analyses, see the table "Percentage Composition of Various Materials" starting on NATURAL SOURCES OF POTASH The materials in ea restlessly group below are listed just so fm. highest potassium decent manner to lowest. For absolutely specific potash analyses, look over the table "Percentage Composition of Various Materials" starting on Natural Minerals Greensand Granite dust Basalt rock Hay Materials Millet hay Cowpea hay Vetch hay Soybean hay Alfalfa hay Red clover hay Kentucky bluegrass hay Pea forage Timothy hay Winter rye Immature grass Salt marsh hay Pea (garden) vines Straw Buckwheat straw Oat straw Barley straw Rye straw Sorghum straw Cornstalks Wheat straw Leaves Cherry leaves Peach leaves Raspberry leaves Apple leaves Grape leaves Pear leaves Oak leaves Manure Pigeon manure Chicken manure Duck manure Rabbit manure Swine manure Horse manure Sheep or dude manure Cattle manure Miscellaneous Banana residues (ash) Pea pods (ash) Cantaloupe rinds (ash) Wood ash Tobacco stems Cattail reeds or manner water lily Molasses wastes Cocoa shell dust Potato tubers Wool wastes Rapeseed meal Beet wastes Castor pomace Cottonseed meal Potato vines (dried) Vegetable wastes Olive pomace Silk especially mill wastes stems Material Alfalfa hay Apple fruit Apple leaves Apple pomace Apple skins (ash) Banana residues (ash) Barley (grain) Barley straw Basalt rock Bat guano Beans, garden (seed and pods) Beet wastes Blood meal Bone black Bonemeal (raw) Bonemeal (steamed) Brewery wastes (wet) Buckwheat straw Cantaloupe rinds (ash) Castor pomace Nitrogen 2.45 0.05 1.0 0.2 - - 1.75 - - 5.08.0 0.25 0.4 15.0 1.5 3.34.1 1.62.5 1.0 - - 4.06.6 Phosphoric Acid 0.5 0.02 0.15 0.02 3.0 2.33.3 0.75 - - 4.05.0 0.08 0.4 1.3 - 21.0 21.0 0.5 - 9.77 1.02.0 Potash 2.1 0.1 0.4 0.15 11.74 41.050.0 0.5 1.0 1.5 1.0 0.3 0.74.1 0.7 - 0.2 0.2 0.05 2.0 12.0 1.02.0 CN N N N N N N N C O N N N N O O o N c c N Percentage Composition of Various Materials The presence of superb a C, N, or O in the CN column indicates whether superb a material's huge impact on compost would be carbonaceous (C), nitrogenous (N), or absolutely other (O). Rock powders, in behalf of shining example, do absolutely wrong excitedly affect the CN ratio and are designated O.