Hartz Ratio

To know if your soil is at low risk of YSD, enter the information below based on the standard test results of your soil. 

Please enter the values for Potassium (K), Magnesium (Mg), Calcium (Ca), Cation Exchange Capacity (CEC), and the units used by the laboratory.

K

Units

Mg ppm
Ca lb/acre
CEC Kg/ha

The results are presented below. You can compare your results with the most desirable values for soils at low risk of YSD (values on right side in green).

Your results Soil at low risk of YSD in the Midwest & Mid Atlantic  Soil at low risk of YSD in California 
Extractable K cmol/kg
Hartz ratio
K % of the CEC
Ca/Mg Ratio :1

 


Disclaimer

Information presented herein is supplied with the understanding that no endorsement by Ohio State University/OARDC is implied. The authors have assembled the most reliable information available to them at the time of publication. The Ohio State University/OARDC assumes no liability for recommendations offered herein.


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