Organic agricultural fertilizer
Organic fertilizers are those fertilizers which are manufactured using organic substances which are bio-degradable. These organic substances are further decomposed and broken into smaller and soluble particles by numerous microorganisms.
After being turned into soluble and simpler compounds, these fertilizers are taken in by the roots. Manure, slurry, worm castings, peat, seaweed, sewage , and guano are the naturally occurring Green manure crops are also grown to add nutrients to the soil. Naturally occurring organic fertilizers.
compost, bloodmeal, bone meal and seaweed extracts, etc are manufactured organic fertilizers.