Basic Plant Test Packages - Leaf and Petiole
| PT1 | Phosphorus, Potassium, Magnesium, Calcium, Sulfur, Sodium, Iron, Aluminum, Manganese, Boron, Copper, Zinc |
| PT2 | Nitrogen (Total) plus elements in PT1 |
| PT5 | Nitrate-N plus elements in PT1 |
| PT6 | Nitrate-N plus elements in PT2 |
Tubers, Fruits, Vegetables
| PT1T | Sample preparation, elements in PT1, moisture |
| PT2T | Sample preparation, elements in PT2, moisture |
Individual Analysis
| Chloride |
| Nitrate Nitrogen (Petiole or Stalk) |
| Total Nitrogen |
| Molybdenum |
Primary Method References
| Association of Official Analytical Chemists (AOAC) |
Quality Control Programs & Certifications
| North American Proficiency Testing Program |
| Agricultural Laboratory Proficiency Program |
Reports and data available by e-mail
