Re: Phyto-mining

Date: Thu Jun 22 2000 - 21:17:16 MDT

In a message dated 6/22/00 11:13:41 AM Pacific Daylight Time, writes:

<< This would require that you spread out low quality ores already dug out of
 ground, and grow your pennycress on top of it to extract higher grade ore,
 while polluting your watershed with high heavy metal content runoff. Growing
this on normal soil would cause the plants to leach nutrient levels of the
metals out of the soil, degrading the quality of the soil. >>

How about areas of the country were noticeable concentrations of minerals are
found in the soil? Wouldn't this method tend to remove the minerals and make
the soil more mineral free?
Ron H.

This archive was generated by hypermail 2b29 : Thu Jul 27 2000 - 14:14:05 MDT