Soil Extraction and Analysis using Mehlich III and Saturated Paste Extracts

For current interpretation methods for soil test results, refer to Minimum Levels for Sustainable Nutrition (MLSN) guidelines. The discussion below has been provided for archival purposes.

What happens behind-the-scenes at an analytical laboratory will greatly influence our understanding of soil chemistry and the plant’s response to soil conditions. Do you know what type of procedures your analytical laboratory is using? Are the techniques appropriate for your environmental and soil conditions? This issue of PACE Insights will describe the two predominant…