NPK is an abbreviation of the three macronutrients Nitrogen (N), Phosphorus (P) and Potassium (K). This abbreviation can often be found on nutrient packaging.
Learn more about nutrients:
- Absorption Of Water And Nutrients By Marijuana Plants
- Macro Nutrients And Their Effect On Cannabis Plants
- Micro Nutrients And Their Effect On Cannabis Plants
More nutrient definitions:
Nutrients | Nutrient deficiency | Nutrient burn | Macronutrients | Micronutrients | Organic nutrients |