Carey Reams' Testing & Evaluation Methods

Newsletter by Arden Andersen

Please note there are a few differences between what Dr. Arden Andersen describes in this well written description of Reams testing and the terminology used with the Morgan test here at International Ag Labs. 

• When Dr. Arden Andersen refers to Phosphate and Potash, he is referring to Phosphorous and Potassium. 

• The Morgan test results give a Phosphorous to Potassium ratio of 1:1, whereas Dr. Anderson describes a Phosphate to Potash ratio of 2:1.  For grasses the ratios would be 2:1 and 4:1 respectively.   The actual ratio is still the same but the terminology has changed over time.

• New terminology measures ERGS in mircosiemens—not micromhos.

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