| NPK Analysis |
| Nitrogen, Phosphorus, Potassium | | | Complete Plant Analysis |
| Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Sulfur, Zinc, Iron, Manganese, Copper, Boron, Sodium | | | Complete Petiole Analysis |
| Nitrate-nitrogen, Phosphate-phosphorus, Phosphorus, Potassium, Calcium, Magnesium, Sulfur, Zinc, Iron, Manganese, Copper, Boron, Sodium | | | NO3-N & PO4-P Analysis |
| Nitrate-nitrogen, Phosphate-phosphorus | | | Plant Diagnostic Package | (For determination of plant nutrient problems) 2 "Row Crop" Soil Test Packages & 2 "Complete Plant Tests" All Samples must be submitted together. | | | Individual Tests | | Extractable Nitrate-nitrogen, Phosphate-phosphorus, potassium, or Chloride | | | | Total Phosphorus, Potassium, Calcium, Magnesium, Sulfur, Sodium, Zinc, Iron, Manganese, or Copper | | Nitrogen, total |
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