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livingontheland - Re: [Livingontheland] Greywater chemistry

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Subject: Healthy soil and sustainable growing

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  • From: Marty Kraft <martyk@allspecies.org>
  • To: Healthy soil and sustainable growing <livingontheland@lists.ibiblio.org>
  • Subject: Re: [Livingontheland] Greywater chemistry
  • Date: Sun, 4 Jun 2006 10:44:54 -0500

The cases of salmonella are caused by the pathogens on the surface of the plant not by what is taken up by the roots. All the cases of food poisoning by pathogens that I have heard of were caused by people in some manner or other transferring the pathogens to the surface of the food. If the greywater contained mercury or cadmium or some other poisonous element or compound tiny enough to be absorbed by plants then it could be dangerous but that's not likely in households where toxic chemicals are not used. Any plant physiologists out there?

Marty Kraft
Kansas City
On Jun 3, 2006, at 12:34 PM, moabgail@frontiernet.net wrote:


Plants do not absorb and are not hosts for any of the possible human
disease causing organisms found in either graywater or humanure.


Oh, really? What accounts for the cases of salmonella and
other food poisonings caused by vegetables and salad stuffs,
then?





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