What is a fertilizer simple definition? fertilizer, natural or artificial substance containing the chemical elements that improve growth and productiveness of plants. Fertilizers enhance the natural fertility of the soil or replace chemical elements taken from the soil by previous crops. What is fertilizer give example? Examples of naturally occurring organic fertilizers include manure, slurry, worm castings. peat, seaweed and guano. Green manure crops are also grown to add nutrients to the soil. Naturally occurring minerals such as mine rock phosphate, sulfate of potash and limestone. are also considered Organic Fertilizers. define fertilizer 
What is fertilizer and types of Fertilizer?
NPK fertilizers are three-component fertilizers providing nitrogen, phosphorus, and potassium. There exist two types of NPK fertilizers: compound and blends. Compound NPK fertilizers contain chemically bound ingredients, while blended NPK fertilizers are physical mixtures of single nutrient components. define fertilizer. What are the 3 types of fertilizers? Nitrogen, phosphorus and potassium, or NPK, are the “Big 3” primary nutrients in commercial fertilizers. Each of these fundamental nutrients plays a key role in plant nutrition. What is the importance of fertilizer? The role of fertilizers is to increase yield and ensure healthy produce by supplying the right balance of nutrients to the soil. “Without fertilizers, the soil would be depleted and therefore plants would be particularly difficult to grow. They cannot survive on water alone, and nor can we.