By Dave Nanda, Seed Consultants, Inc.
Labs may differ in the data presentation and analysis but your understanding of the basic items would help you in ordering fertilizers for your fields. A soil test is a way of estimating the nutrients that may be available to the crop. Keep the following points in mind as indicated in a report by Jim Johnson of OSU:
• The top section of the report identifies the soil sample; the middle tells you about the results; and the bottom indicates the recommendations.
• Cation Exchange Capacity or (CEC) indicates the particle size of the soil. Sand has low CEC and clay and organic matter have high CEC. Soil CEC ranges from 5 to 40.
• Organic matter is the percent of organic content of the soil. Ideally, you would like to have 5% organic matter (OM) but a number between 1% to 3% is more common.… Continue readingRead More »