Natural Fertilizer does not come in perfect combinations of nutrients, but show number like 4-12-0 unlike synthetic fertilizer which comes in prefect combination like 10-10-10. These 3 numbers represent Nitrogen (N), Phosphorous (P) and Potassium (K) and listed in the same order.
Nitrogen is the primary nutrient used by the plant leaves and much required above the soil, Phosphorous helps to strengthen roots, fruit production and Potassium helps the plant to tolerate drought, heat and cold.
Earthworm Castings:
2-1-1 Very good organic fertilizer for flower and edible gardens
Blood Meal:
13-1-0 Great source for Nitrogen and can be mixed with potting soil
Compost:
2-1-1 Compost adds organic matter that provides food for microbial life, which in turn increases the amount of water soil can retain. Compost also contains many micro nutrients that help in plant growth
Cotton Seed Meal:
7-2-2 has a high percentage of organic nitrogen next to blood meal and helps to acidify the soil
Fish Emulsion:
2-4-5 has a bit of everything and smells very bad
Feather Meal:
7-0-0 to 12-0-0 It is a poultry processing by product and takes four months to release the nutrients, a good nitrogen fertilizer
Bone Meal:
4-12-0 Good source for Phosphorous, that helps to strengthen the roots and works in conjunction with Blood Meal
Alfalfa Meal:
2.45-.05-1 Good fertilizer for Roses and helps in soil microbial activities
Soil Properties
Top Organic Fertilizers
4/
5
Oleh
Unknown