These will assist you in taking a good, representative sample. This is the most critical part of the entire process. Without a good sample, results won't be reliable.

• Soil Sampling Guide
• Plant Sampling Guide

You've received your analysis results, but what do all the numbers mean? Use these guides to assist you.

• Interpreting Soil Analysis Results
• Interpreting Turf and Ornamental Soil Analysis Results

These articles, from the Spectrum Analytic Agronomic Library, provide more in-depth information about some of the tests you might see on your soil analysis report.

• Soil pH & Buffer pH
• CEC
• Base Saturation
• Magnesium (Mg)
• Calcium (Ca)
• Sulfur (S)
• Boron (B)
• Copper (Cu)
• Iron (Fe)
• Manganese (Mn)
• Zinc (Zn)