noun \-ˌlī-zər\

: a substance (such as manure or a special chemical) that is added to soil to help the growth of plants

Full Definition of FERTILIZER

:  one that fertilizes; specifically :  a substance (as manure or a chemical mixture) used to make soil more fertile

Examples of FERTILIZER

  1. We only use organic fertilizer in our gardens.
  2. They use chemical fertilizers on their lawn.

First Known Use of FERTILIZER

circa 1661


noun    (Concise Encyclopedia)

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 use of manure and composts as fertilizers is probably almost as old as agriculture. Modern chemical fertilizers include one or more of the three elements most important in plant nutrition: nitrogen, phosphorus, and potassium. Of secondary importance are the elements sulfur, magnesium, and calcium.


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