Which of the following is commonly reported on a soil test report along with pH and organic matter?

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When you read a soil test report, you’re looking at what conditions will let nutrients become available to plants. pH and organic matter set the stage: pH determines the chemical form of nutrients and thus their availability, while organic matter improves soil structure, water holding, and nutrient supply. Alongside those two, zinc concentration is a common item reported because zinc is a micronutrient whose availability is strongly influenced by pH and soil properties, and deficiencies are a frequent concern for many crops in typical soils. Nitrogen content isn’t listed as a fixed value because soil nitrogen is highly dynamic, changing with mineralization, immobilization, leaching, and crop uptake, so it’s interpreted more from current conditions and crop needs than from a single static number. Magnesium and potassium are important macronutrients and do appear on tests, but zinc is the nutrient most routinely highlighted on reports in addition to pH and organic matter.