Soil Test Meter

I have been looking at the 'Philip Callahan Soil Test Meter' from 'Pikeagri' at the following links **broken link removed** and https://www.electro-tech-online.com/custompdfs/2010/05/PCSM20-20Phil20Callahan20Soil20Meter.pdf.

Does anyone know of a circuit I could use to build a similar machine?

Thanks

Alistair

Does anyone know of a circuit I could use to build a similar machine?

Click to expand...

Sadly I don't.
However, while reading a few bits and pieces here on the world wide internet thingy, I did come across a few articles which cast aspertions on the work of Dr Phil Callahan.
Reading between the lines I got the impression that soil paramagnetism as a promoter of plant growth was at best unproven, and possibly just a scam to sell soil meters.

JimB

JimB said:

Sadly I don't.
However, while reading a few bits and pieces here on the world wide internet thingy, I did come across a few articles which cast aspertions on the work of Dr Phil Callahan.
Reading between the lines I got the impression that soil paramagnetism as a promoter of plant growth was at best unproven, and possibly just a scam to sell soil meters.

JimB

Click to expand...

Yes I would have to agree with you. Although I have only had one semester of botany, this sounds like a scam.

Thanks for your comments. However, one must remain open to alternative ways of thinking, especially as crop yields are decreasing year on year. Afterall, we used to think the sun rotated around the earth, now we know it is the other way around. The sceptics will always pooh-pooh such ideas as they do not fit into conventional ways of thinking, but the world operates on many different energetic levels and to ignore them would be a detriment to mankind.

Alistair