Nutrient content and composition of organic material

Organic fertilizer production utilizes a variety of raw materials that are rich in organic matter and nutrients The nutrient content and composition of organic materials can vary significantly. Here is a general overview of the nutrient content typically found in different raw materials used for organic fertilizer production:

1. Animal Manure:
   • Cattle Manure: Nitrogen (N): 0.5% – 1.5%, Phosphorus (P): 0.2% – 0.5%, Potassium (K): 0.2% – 1%
   • Poultry Manure: N: 1.5% – 3.5%, P: 1% – 2%, K: 0.5% – 2.5%
   • Swine Manure: N: 0.5% – 2%, P: 0.2% – 0.8%, K: 0.5% – 1.5%
   • Horse Manure: N: 0.3% – 0.7%, P: 0.2% – 0.4%, K: 0.5% – 1.5%
2. Crop Residues:
   • Straw (wheat, rice, etc.): Nitrogen: 0.2% – 1%, Phosphorus: 0.1% – 0.5%, Potassium: 0.5% – 2%
   • Corn Stalks: Nitrogen: 0.5% – 1%, Phosphorus: 0.2% – 0.5%, Potassium: 0.5% – 1.5%
   • Sugarcane Bagasse: Nitrogen: 0.1% – 0.5%, Phosphorus: 0.1% – 0.3%, Potassium: 0.1% – 0.5%
3. Food Waste:
   • Nutrient content can vary depending on the specific food waste, but generally, it contains moderate to high levels of nitrogen, phosphorus, and potassium, along with other trace elements.
4. Yard Waste:
   • Leaves: Nitrogen: 0.5% – 2%, Phosphorus: 0.1% – 0.5%, Potassium: 0.5% – 2%
   • Grass Clippings: Nitrogen: 1% – 2%, Phosphorus: 0.5% – 1%, Potassium: 1% – 2%
5. Compost:
   • Nutrient content varies depending on the composition of the compost, but typically contains moderate levels of nitrogen, phosphorus, and potassium, along with organic matter and beneficial microorganisms.
6. Bio-sludge:
   • Nutrient content can vary depending on the wastewater treatment process and specific bio-sludge composition.
7. Green Manure:
   • Legume Cover Crops (e.g., clover, alfalfa): Nitrogen: 2% – 4%, Phosphorus: 0.5% – 1%, Potassium: 2% – 4%
8. Fish Emulsion:
   • Nitrogen: 3% – 5%, Phosphorus: 1% – 3%, Potassium: 1% – 2%

These nutrient ranges are approximate and can vary depending on factors such as the source, age, and handling of the raw materials. It’s important to conduct nutrient analysis or refer to specific laboratory reports to determine the exact nutrient content of the materials being used.