NPK

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English[edit]

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Etymology[edit]

From the chemical symbols for each element, hence K for kalium being used for potassium.

Initialism [please replace this header][edit]

NPK

  1. Nitrogen, Phosphorus, Potassium (or Potash)

Usage notes[edit]

  • The initials are commonly used on fertiliser descriptions, giving the relative amounts of each element.