What does NPK stand for in fertilizers?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
NPK stands for Nitrogen (N), Phosphorus (P), and Potassium (K) - the three primary macronutrients essential for plant growth. Nitrogen promotes leaf growth and gives plants their green color, phosphorus supports root development and flowering, while potassium enhances overall plant health and disease resistance. The NPK ratio on fertilizer packages indicates the percentage of each nutrient.
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