Definition: N-P-K refers to the ratio of important elements in a fertilizer or soil amendment. N stands for nitrogen, which is responsible for strong stem and foliage growth. P is for phosphorus, which aids in healthy root growth and flower and seed production. K stands for potassium, which is responsible for improving overall health and disease resistance.
Also Known As: N-P-K ratio NPK
Alternate Spellings: NPK
Examples:
The N-P-K ratio of fish emulsion is 5-2-2.
