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Old 07-06-2005, 12:25 PM
Dominic-Luc Webb
 
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Perhaps a convenient way to get some measure of soil quality is
to use some indicator plants. I know of a couple plants that
grow well above pH 7 and promptly die in acidic soil, etc...
Others so dramatic responses to depletion of specific nutrients.
Most plant physiology books have a nutrient deficiency key from
which you can trace down specific problems. These are usually
based on common garden plants such as the tomato.

Dominic