HORTICULTURE

Detailed explanation-1: -An organic fertilizer is a fertilizer that is derived from organic sources, including organic compost, cattle manures, poultry droppings and domestic sewage.

Detailed explanation-2: -Cow manure, decaying leaves, and food compost are all forms of organic fertilizer. Inorganic fertilizer is synthetic, comprised of minerals and synthetic chemicals. Inorganic nitrogen is commonly made from petroleum.

Detailed explanation-3: -Manures are the organic materials derived from animal, human and plant residues which contain plant nutrients in complex organic forms. Naturally occurring or synthetic chemicals containing plant nutrients are called fertilizers.

Detailed explanation-4: -Manure is organic matter that is used as organic fertilizer in agriculture. Most manure consists of animal feces; other sources include compost and green manure.