Glossary of Gardening Terms: A - ZN
Descriptions of common gardening terms and phrases…
Nitrogen (N) : Phosphorous (P) : Potassium (K)
The chemical elements Nitrogen (N), Phosphorus (P) and Potassium (K) used in plant fertilisers. The percentages of these elements are often found on the label of fertilisers. The percentages are shown as numbers, e.g. 10-8-12, where the first number is N, the second number P, and the third K.