Organic Nutrient Chart
Manures
Rabbit manure N= 2.4 P= 1.4 K= 0.6
comments- Most concentrated of animal manures in fresh form.
Cow manure (dairy) N= 0.6 P= 0.2 K= 0.5
comments- Often contains weed seeds, should be hot composted.
Steer manure N= 0.7 P= 0.3 K= 0.4
comments- Often contains weed seeds, should be hot composted if fresh.
Chicken manure N= 1.1 P= 0.8 K= 0.5
comments- Fast acting, breaks down quickest of all manures. Use carefully, may burn. Also, stinks like hell - composting definitely recommended.
Horse manure N= 0.7 P= 0.3 K= 0.6
comments- Medium breakdown time.
Duck manure N= 0.6 P= 1.4 K= 0.5
Sheep manure N= 0.7 P= 0.3 K= 0.9
Desert Bat Guano N= 8 P= 4 K= 1
comments- Also contains trace elements. Fast-acting, mix in soil or as tea (1 C guano to 5 gal. water).
Cave Bat Guano N= 3 P= 10 K= 1
Fossilized Seabird Guano N= 1 P= 10 K= 1
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Organic Meals
Blood Meal N= 11 P= 0 K= 0
comments- Highest N of all organic sources, very fast acting.
Bone Meal (steamed) N= 1 P= 11 K= 0
Cottonseed Meal N= 6 P= 2.5 K= 1.5
comments- If farming organically, check the source. May be heavily treated with pesticides.
Fish Scrap N= 5 P= 3 K= 3
comments- Use in compost or work in soil several months before using. Usually slightly alkaline.
Fish Emulsion N= 4 P= 1 K= 1
comments- Also adds 5% sulfur. Good N source for seedlings, won't burn.
Kelp Meal N= 1 P= 0.5 K= 2.5
comments- Provides 60 trace elements, plus growth-promoting hormones and enzymes.
Soybean Meal N= 7 P= 0.5 K= 2.5
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Minerals
Greensand N= 0 P= 1.5 K= 7
comments- Mined from old ocean deposits; used as soil conditioner; it holds water and is high in iron, magnesium, and silica - 32 trace minerals in all.
Eggshells N= 1.2 P= 0.4 K= 0.1
comments- Contais calcium plus trace minerals. Dry first, then grind to powder.
Limestone (dolomitic) N= 0 P= 0 K= 0
comments- Raises pH, 51% calcium and 40% magnesium.
Limestone (calcitic) N= 0 P= 0 K= 0
comments- Raises pH, 65-80% calcium, 3-15% magnesium.
Crustacean Shells N= 4.6 P= 3.52 K= 0
comments- Contain large amounts of lime. Should be ground as finely as possible for best results.
Wood Ashes N= 0 P= 1.5 K= 7
comments- Very fast acting and highly alkaline (usually used to raise pH). Contains many micronutrients.
Crushed Granite N= 0 P= 0 K= 5
comments- Contains 67% silicas and 19 trace minerals.
Rock Phosphate N= 0 P= 3 K= 0
comments- Contains 11 trace minerals.
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Organic Material
Feathers N= 15 P= 0 K= 0
comments- Chop or shred finely for best results.
Hair N= 14 P= 0 K= 0
comments- Good soil conditioner, oils break down slowly. Chop or shred finely for best results.
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