The analysis ratio on a fertilizer bag indicates the percentages of nutrients in which order?

The analysis ratio on a fertilizer bag provides the relative concentrations of the three primary nutrients essential for plant growth: nitrogen, phosphorus, and potassium. These nutrients are typically listed in a specific order that reflects their importance to plants and their roles in various physiological processes.

Nitrogen is crucial for vegetative growth and is a key component of chlorophyll, which plants use for photosynthesis. Phosphorus plays a vital role in energy transfer and the synthesis of DNA, making it essential for root development and flowering. Potassium is important for overall plant health, helping with water regulation and enzymatic functions.

Thus, the correct order is nitrogen first, followed by phosphorus, and then potassium—often represented as N-P-K. This standard notation helps farmers and gardeners quickly understand the nutrient profile of the fertilizer they are using, ensuring that their crops receive the right balance of essential nutrients for optimal growth and yield.