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Tuesday, 16 December 2008 01:42 |
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Many people ask about the NPK of various organic materials. Although I strongly disagree with the idea of using NPK to measure the value of organic materials, here they are as determined by the Primal Seed Company. Unfortunately they missed some of the mainstays of organic fertilizer, but you can get a good idea of the relative food value of many materials here. From this list more nitrogen means more protein. Material
| Nitrogen
| Phosphoric acid
| Potash
| Alfalfa hay
| 2.45
| 0.5
| 2.1
| Apple fruit
| 0.05
| 0.02
| 0.1
| Apple leaves
| 1
| 0.15
| 0.35
| Apple pomace
| 0.2
| 0.02
| 0.15
| Apple skin (ash)
| -
| 3.08
| 11.74
| Banana skin (ash)
| -
| 3.25
| 41.76
| Banana stalk (ash)
| -
| 2.34
| 49.4
| Barley (grain)
| 1.75
| 0.75
| 0.5
| Bat guano
| 6
| 9
| -
| Bean and pod
| 0.25
| 0.08
| 0.3
| Beet waste
| 0.4
| 0.4
| 3
| Beet waste (root)
| 0.25
| 0.1
| 0.5
| Blood meal
| 15
| 1.3
| 0.7
| Bone (ground and burned)
| -
| 34.7
| -
| Bone meal
| 4
| 21
| 0.2
| Brewer's grains (wet)
| 0.9
| 0.5
| 0.05
| Brigham tea (ash)
| -
| -
| 5.94
| Cantaloupe rind (ash)
| -
| 9.77
| 12.21
| Castor bean pomace
| 5.5
| 2.25
| 1.13
| Cattail reed & water lilly
| 2.02
| 0.81
| 3.43
| Cattail seed
| 0.98
| 0.39
| 1.71
| Chicken manure
| 1.63
| 1.54
| 0.85
| Coal ash (anthracite)
| -
| 0.125
| 0.125
| Coal ash (bituminous)
| -
| 0.45
| 0.45
| Cocoa shell dust
| 1.04
| 1.49
| 2.71
| Coffee grounds
| 2.08
| 0.32
| 0.28
| Coffee grounds (dried)
| 1.99
| 0.36
| 0.67
| Corn (grain)
| 1.65
| 0.65
| 0.4
| Corn (green forage)
| 0.3
| 0.13
| 0.33
| Corncob (ash)
| -
| -
| 50
| Corncob (ground, charred)
| -
| -
| 2.01
| Cotton seed
| 3.15
| 1.25
| 1.15
| Cotton waste
| 1.32
| 0.45
| 0.36
| Cottonseed meal
| 7
| 2.5
| 1.5
| Cottonseed-hull (ash)
| -
| 8.7
| 23.93
| Cow manure (fresh)
| 0.29
| 0.17
| 0.1
| Cowpea, green forage
| 0.45
| 0.12
| 0.45
| Cowpes, seed
| 3.1
| 1
| 1.2
| Crab (common)
| 1.95
| 3.6
| 0.2
| Crab (king, dried and ground)
| 10
| 0.25
| 0.06
| Crab (king, fresh)
| 2.3
| -
| -
| Crabgrass
| 0.66
| 0.19
| 0.71
| Cucumber skin (ash)
| -
| 11.28
| 27.2
| Dog manure (fresh)
| 1.97
| 9.95
| 0.3
| Duck manure (fresh)
| 1.12
| 1.44
| 0.49
| Egg
| 2.25
| 0.4
| 0.15
| Eggshell
| 1.19
| 0.38
| 0.14
| Eggshell (burned)
| -
| 0.43
| 0.29
| Feather
| 15.3
| -
| -
| Felt hat factory waste
| 3.8
| -
| 0.98
| Field bean (seed)
| 4
| 1.2
| 1.3
| Field bean (shell)
| 1.7
| 0.3
| 1.3
| Fish scrap (fresh)
| 6.5
| 3.75
| -
| Fish scrap (red snapper)
| 7.76
| 13
| 0.38
| Gluten feed
| 4.5
| -
| -
| Grape leaves
| 0.45
| 0.1
| 0.35
| Grapefruit skin (ash)
| -
| 3.58
| 30.6
| Grapes (fruit)
| 0.15
| 0.07
| 0.3
| Greasewood (ash)
| -
| -
| 12.61
| Greensand
| -
| 1.5
| 5
| Hair
| 14
| -
| -
| Hare and rabbit waste
| 7
| 2.4
| 0.6
| Hoof meal and horn dust
| 12.5
| 1.75
| -
| Horse manure (fresh)
| 0.44
| 0.17
| 0.35
| Incinerator ash
| 0.24
| 5.15
| 2.33
| Jellyfish (dried)
| 4.6
| -
| -
| Leather (acidulated)
| 7.5
| -
| -
| Leather (ash)
| -
| 2.16
| 0.35
| Leather (ground)
| 11
| -
| -
| Lemon cull
| 0.15
| 0.06
| 0.26
| Lemon skin
| -
| 6.3
| 31
| Lobster (refuse)
| 4.5
| 3.5
| -
| Lobster (shell)
| 4.6
| 3.52
| -
| Milk
| 0.5
| 0.3
| 0.18
| Molasses residue (brewing)
| 0.7
| -
| 5.32
| Moss
| 0.6
| 0.1
| 0.55
| Mud (fresh water)
| 1.37
| 0.26
| 0.22
| Mud (harbour)
| 0.99
| 0.77
| 0.05
| Mussel
| 0.9
| 0.12
| 0.13
| Mussel mud (dried)
| 0.72
| 0.35
| -
| Oak leaf
| 0.8
| 0.35
| 0.15
| Oats grain
| 2
| 0.8
| 0.6
| Olive pomace
| 1.15
| 0.78
| 1.26
| Olive refuse
| 1.22
| 0.18
| 0.32
| Orange cull
| 0.2
| 0.13
| 0.21
| Orange skin (ash)
| -
| 2.9
| 27
| Oyster shell
| 0.36
| 10.38
| 0.09
| Paint processing waste
| 0.02
| 39.5
| -
| Pea pod (ash)
| -
| 1.79
| 9
| Peach leaf
| 0.9
| 0.15
| 0.6
| Peanut (seed & kernel)
| 3.6
| 0.7
| 4.5
| Peanut shell
| 0.8
| 0.15
| 0.5
| Peanut shell (ash)
| -
| 1.23
| 6.45
| Pig manue (fresh)
| 0.6
| 0.41
| 0.13
| Pigeon manure (fresh)
| 4.19
| 2.24
| 1.41
| Pigweed (rough)
| 0.6
| 0.16
| -
| Pine needle
| 0.46
| 0.12
| 0.03
| Potato (leaf and stalk)
| 0.6
| 0.15
| 0.45
| Potato (tuber)
| 0.35
| 0.15
| 0.5
| Potato skin (ash)
| -
| 5.18
| 27.5
| Poudrette
| 1.46
| 3.68
| 0.48
| Powderworks waste
| 2.5
| -
| 17
| Prune refuse
| 0.18
| 0.7
| 0.31
| Pumpkin (fresh)
| 0.16
| 0.07
| 0.26
| Pumpkin seed
| 0.87
| 0.5
| 0.45
| Rabbit brush (ash)
| -
| -
| 13.04
| Ragweed
| 0.76
| 0.26
| -
| Redtop hay
| 1.2
| 0.35
| 1
| Rhubarb stem
| 0.1
| 0.04
| 0.35
| Rockweed
| 1.9
| 0.25
| 3.68
| Rose (flower)
| 0.3
| 0.1
| 0.4
| Salt mud
| 0.4
| -
| -
| Salt-marsh hay
| 1.1
| 0.25
| 0.75
| Sardine scrap
| 7.97
| 7.11
| -
| Seawood
| 1.68
| 0.75
| 4.93
| Sheep manure (fresh)
| 0.55
| 0.31
| 0.15
| Shoddy and felt
| 8
| -
| -
| Shrimp head (dried)
| 7.82
| 4.2
| -
| Shrimp waste
| 2.87
| 9.95
| -
| Silk mill waste
| 8.37
| 1.14
| 0.12
| Silk worm cocoon
| 9.42
| 1.82
| 1.08
| Silt waste
| 9.5
| -
| -
| Sludge
| 2
| 1.9
| 0.3
| Sludge (activated)
| 5
| 3.25
| 0.6
| Sludge from sewer beds
| 0.74
| 0.33
| 0.24
| Soot from chimney fllue
| 5.25
| 1.05
| 0.35
| Starfish
| 1.8
| 0.2
| 0.25
| Sugar (raw, residue)
| 1.14
| 8.33
| -
| Sunflower seed
| 2.25
| 1.25
| 0.79
| Sweet potato
| 0.25
| 0.1
| 0.5
| Sweet potato skins (ash)
| -
| 3.29
| 13.89
| Tanbark (ash)
| -
| 0.34
| 3.8
| Tanbark ash (spent)
| -
| 1.75
| 2
| Tankage
| 6
| 5
| -
| Tea grounds
| 4.15
| 0.62
| 0.4
| Tea leaves (ash)
| -
| 1.6
| 0.44
| Timothy hay
| 1.25
| 0.55
| 1
| Tobacco leaves
| 4
| 0.5
| 6
| Tobacco stalk
| 3.7
| 0.65
| 4.5
| Tobacco stem
| 2.5
| 0.9
| 7
| Tomato fruit
| 0.2
| 0.07
| 0.35
| Tomato leaves
| 0.35
| 0.1
| 0.4
| Tomato stalk
| 0.35
| 0.1
| 0.5
| Wheat grain
| 2
| 0.85
| 0.5
| Wheat straw
| 0.5
| 0.15
| 0.6
| Wheat, bran
| 2.65
| 2.9
| 1.6
| White clover (green)
| 0.5
| 0.2
| 0.3
| White sage (ash)
| -
| -
| 13.77
| Wood ash (leached)
| -
| 1.25
| 2
| Wood ash (unleached)
| -
| 1.5
| 7
| Wool waste
| 5.5
| 3
| 2
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Last Updated on Monday, 12 January 2009 11:32 |
