What do the three letters on a fertilizer label represent?

The three letters on a fertilizer label represent Nitrogen, Phosphorus, and Potassium, commonly abbreviated as N-P-K. These three essential nutrients play crucial roles in plant growth and development. Nitrogen is vital for leaf and stem growth, contributing significantly to plant vigor and foliage. Phosphorus supports root development and flowering, essential for fruiting and overall plant health. Potassium helps with the overall functioning of plant processes, including water regulation and disease resistance.

In agricultural practices, understanding the N-P-K ratio is essential for selecting the appropriate fertilizer to meet specific crop requirements and soil fertility conditions. Knowing the nutrient composition helps farmers and gardeners optimize growth and yield by ensuring that plants receive sufficient nutrition throughout their growth cycle.