The message
from "Mike Lyle" contains these words:
TR wrote:

a few months ago there was an article in the papers about
basic rock nutrients you could but in bulk from a scottish site it
improved the trace mineral content of the soil to make it like new
soil formed by volcanic eruption
you just chucked it on at the usual dosage of a couple of handfulls
a
square meter and let it do its funky stuff
any ideas guys i would be most greatfull for a link
ive done the google tingie but then again i am one of lifes
computer
iliterates
dave

Sounds like a waste of money. If your soil is lacking something, you
find out what it is, and replace that, not a whole lot of other
stuff. But you probably don't need anything you wouldn't get from the
usual gardening processes: compost, bonemeal, etc, seaweed if you can
get it, and a bit of ordinary fertiliser if you need it. There's no
magic in volcanoes: the best thing for improving soil is growing
things in it.

It isn't a waste of time: in fact, in trials it has proved spectacularly
effective in increasing crop yields.

It was featured on (IIRC) one of the R4 science programmes. I can't
unforget the details, except that I think the initial experiment was
carried out in Perthshire.

--
Rusty
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