market-farming AT lists.ibiblio.org

Subject: Market Farming

List archive

RE: [Market-farming] Ohm meters, fulltime, frost seeding

From: Art Petrzelka <art AT complum.com>
To: bockpa AT plesh.com, Market Farming <market-farming AT lists.ibiblio.org>
Cc:
Subject: RE: [Market-farming] Ohm meters, fulltime, frost seeding
Date: Thu, 21 Aug 2003 22:22:55 -0000

On Thu, 2003-08-21 at 13:47, Paul A. Bock wrote:
> I still vote for the refractometers for plant analysis, but this is too
> interesting. Sugars are present in the sap, but also the basic cations (if
> they are hopefully present in your soil) will also be in the sap. I will
> take a wild guess and say that the health of the plant would be proportional

Refractometers measure dissolved solids. Mostly sugar. The dissolved
solids refract light different than plain water does. So you're really
measuring everything.
--
-----
Art Petrzelka
Amana, Iowa, USA

[Market-farming] Ohm meters, fulltime, frost seeding, Mayapple Farm and Gardens, 08/21/2003
- RE: [Market-farming] Ohm meters, fulltime, frost seeding, Paul A. Bock, 08/21/2003
  - RE: [Market-farming] Ohm meters, fulltime, frost seeding, Art Petrzelka, 08/21/2003
  - Re: [Market-farming] Ohm meters, fulltime, frost seeding, Bob, 08/23/2003