From: fantome@vnet.net
To: All
Date: Aug 3 1998 9:01:31 am
Subject: Re: Salt
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From: Austin Ziegler <fantome@vnet.net>
Subject: Re: Salt

Curtis Johnson wrote:
>
>  HW> There's a fellow over in "religion" maintaining
>  HW> that small amounts (unspecified) of salt added to
>  HW> soil works as a fertilizer for plants..   Any comments?

>         I'll assume for the moment that "table salt" (sodium
>  chloride) is meant.

>         There are plants, such as kelp and mangroves, that can
>  grow not only in brackish water but in the sea.  Presumably
>  kelp and mangrove may be so adapted that they might be in
>  trouble if reduced to depending on fresh water.
>         Now to try to verify my reasoning. . . Nothing in my
>  main book in my library on plants, _Plant and Planet_, Anthony
>  Huxley (Penguin, 1978) says anything about plants requiring
>  sodium or chlorine as a nutrient.  In fact:

There are actually types of plants called Halophytes which use
salt.

Interesting article in this month's Scientific American on
salt-water irrigation farming.

-austin
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