These are the organic fertilizers made up of dead and decaying organic matter like plants and animals.
Fertilizers:
These are the synthetic chemical compounds sprayed in the field to provide inorganic nutrients to crops.
Manures and fertilizers requirements in fields:
In fields, manures and fertilizers are utilized to provide essential plant nutrients to the soil, enhancing soil fertility and ensuring strong vegetative growth, which leads to high crop output.
It aids in the enrichment of the soil with nutrients and organic matter, as well as increases soil fertility.