Fertilizer

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 the chemical elements taken from the soil by previous crops.
 
The Different Types of fertilizers
  • Organic and Inorganic Fertilizers. Organic fertilizers are made from natural and organic materials—mainly manure, compost, or other animal and plant products. …
  • Nitrogen Fertilizers. …
  • Phosphate Fertilizers. …
  • Potassium Fertilizers. …
  • Fertilizer Forms.

Fertilizers are applied to replace the essential nutrients for plant growth to the soil after they have been depleted. Excess amounts of fertilizers may enter streams creating sources of nonpoint pollution. Fertilizers most commonly enter water sources by surface runoff and leaching from agricultural lands.

fertilizer