PCSM - Phil Callahan Soil Meterâ„¢

Professor Phil Callahan has suggested that paramagnetism represents "Light from Rocks to the Roots". His PCSM has effectively lifted an abstract concept into the realms of hard science.

The revolutionary new PCSM Meter (Paramagnetic Count Soil Meter or Phil Callahan Soil Meter) offers a new dimension in fertility monitoring. Developed by Dr Phil Callahan, the meter accurately measures the paramagnetism of soil and other materials. Paramagnetism has been termed "The Missing Link" in high production agriculture.


  • The PCSM can be used as a general fertility monitor - the higher the fertility the higher the CGS reading.
  • The PCSM can be used to identify paramagnetic inputs for fertility building.
  • This tool can often be used as a problem-solver when soil tests don't explain poor crop performance.
  • The tool can be used to monitor the progress of nutrition programs.
  • Note: A well-balanced, fertile soil will contain good levels of oxygen.
  • Oxygen is a highly paramagnetic gas.

Click here for a detailed product information sheet.

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