KBS Agronomic Soil Chemistry



Soil test procedures of the MSU soil test laboratory are outlined in Extension Bulletin E2904: Nutrient Recommendations for Field Crops in Michigan

Phosphorus is analyzed with a colorimeter using a dip probe, and K & Ca are analyzed using a flame photometer and Mg is analyzed with a colorimeter on a segmented flow analyzer. BrayP1 is used to extract the P and 1N Ammonium Acetate to extract the K, Ca and Mg.

Date modified: Thursday, Aug 10 2023



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