Posted 4/18/2024 20:50 (#10712023 - in reply to #10711854) Subject: RE: How to convert P (B1 1:10) and K (AA) to PPM on soil test
Princeton, Indiana
I would suggest you contact the lab and ask them to help you with the interpretation. You will need to understand the extraction method that was used. The "B1" is likely referencing bicarbonate extraction and "AA" likely means ammonium acetate extraction.