NPK ratios?

Hannon othonna@gmail.com
Sat, 02 Feb 2008 19:41:57 PST
Somewhat O/T: you mention red laterite clay near Grants Pass but for some
reason the Mitsubishi Cement Plant near Los Angeles (below Big Bear) sees
fit to import red laterite from South America for their processing.

On Feb 2, 2008 6:55 PM, <totototo@telus.net> wrote:

> On 31 Jan 08, at 9:09, J.E. Shields wrote:
>
> > Clays can adsorb ions on their surfaces and can absorb [sic; ITYM
> > "adsorb"] ions internally.
>
> Not all clays. Lateritic clays have very poor adsorption powers,
> hence the poor soils in the Oregon Coast Range (Ref: Roadside Geology
> of Oregon), Africa, and the Amazon Basin.
>
> For those of you on the Left Coast, there's a very nice exposure of
> bright red lateritic soil on the east side of I-5 a little north of
> Grass Pants, Oregon. Just a small cut with some erosion that exposes
> the subsoil, but quite prominent because of the brilliant color.
>
>
>
>
> --
> Rodger Whitlock
> Victoria, British Columbia, Canada
> Maritime Zone 8, a cool Mediterranean climate
>
> on beautiful Vancouver Island
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