Naturally occurring organic fertilizers include manure, slurry, worm castings, peat, seaweed, humic acid, brassin and guano.
Sewage sludge use in organic agricultural operations in the U.S. has been extremely limited and rare due to USDA prohibition of the practice due to toxic metal accumulation, among other factors.
Processed organic fertilizers include compost, bloodmeal, bone meal, humic acid, amino acids, brassin and seaweed extracts.
Other examples are natural enzyme digested proteins, fish meal, and feather meal. Decomposing crop residue from prior years is another source of fertility.
Earth Juice Products
The Earth Juice line of liquid organic fertilizers are derived from an array of 100% natural, organic ingredients and formulated for vegetables, ornamentals, shrubs, trees and lawns. Used by professionals and hobbyists worldwide.
Non- burning formulas promote vigorous growth, and provide abundant yields.
They are highly concentrated, easy to use, dust free, and contain no salt-building chemicals or hidden NPK boosting synthetics. Designed for soil and soilless medias and for indoor or outdoor use, these trusted liquid concentrates fulfill the concerned gardener’s need for a convenient alternative that will provide brilliant gardens of thriving plants, naturally. All the Earth Juice products may be used solely or together for custom formulas.