Market Farming

["David Guthrie" <dguthrie AT egyptian.net>]

Refractometers deal with the light able to pass through the sample broken
into the color spectrum?

Nutrient value is dependent on ionic content?

enlighten me (us) on the premise of the refractometer, if you would, please.

thanks.

David Guthrie
dguthrie AT egyptian.net



----- Original Message -----
From: <dave.kathy AT att.net>
To: <dave.kathy AT att.net>; <bockpa AT plesh.com>; "Market Farming"
<market-farming AT lists.ibiblio.org>
Sent: Thursday, August 21, 2003 11:38 AM
Subject: RE: [Market-farming] refractometers and soil penetrometers



  Bottom line: forget electrical conductivity as a surrogate for
> nutrients or flavor.  Refractometers, instead!
>
> Dave Campbell, retired USGS geophysicist
> Tiffin Iowa