Concept:Organic manure is made from natural plant or animal materials.Inorganic fertilizer is made from chemicals.Explanation:Green manure, farmyard manure, and compost all come from decomposed plant or animal waste.These improve soil fertility naturally as organic manures.Fertilizer is not organic manure because it is a manufactured or mined chemical substance.It is often referred to as inorganic or artificial fertilizer.Answer:D. Fertilizer