When to use saturated soil paste tests

November 5, 2007

With so many different types of analyses for soil chemistry available, which ones should you request when doing your semi-annual soil tests? The answer will depend on what you are most concerned with.

While saturated paste extracts are widely used for assessment of saline and sodic soils, they are not recommended for use in developing overall nutrient management programs. For this reason, we recommend the use of standard analytical procedures that include Mehlich III, Bray and Olsen extraction analyses. For…