Organic fertilizers are fertilizers that occur naturally in nature (e.g. compost, manure) or artificially made fertilizers composed from natural substances.
- Dolomite
- Kelp Meal
- Azomite
- Bat Guano
- Boron
- Glacial Rock Dust
- Greensand
- Gypsum
- Limestone
- Oyster Shell Lime
- Sulfate of Potash
- Worm Castings
- Zinc Sulfate
- Blood Meal
- Bone Meal
- Fish Emulsion
- Compost Tea
- Yucca Extract