Which of the following describes fertilizer analysis?

The selection of the option referring to the proportion of potassium, nitrogen, and phosphorus accurately describes fertilizer analysis. Fertilizer analysis indicates the relative amounts of these three primary nutrients, commonly represented on fertilizer packaging in a three-number format, such as 10-10-10. Each number corresponds to the percentage by weight of nitrogen (N), phosphorus (P), and potassium (K) in the fertilizer. Understanding this analysis is crucial because it allows users to choose the right fertilizer based on the specific nutrient needs of their plants and soil conditions, leading to more effective application and improved plant health.

In contrast, analyzing soil nutrients pertains to soil testing practices rather than fertilizer analysis itself. The total volume of fertilizer in a bag does not inform about nutrient content, and while techniques for enhancing plant growth may involve fertilizers, they encompass broader methods than just what is conveyed through fertilizer analysis.