rec.gardens.ecosystems homepage -> archive: MOD$000620.6103@rec.gardens.ecosystems



Subject: Re: Re; compacted soil
From: tricia9@aol.com (Tricia 9)
Organization: AOL http://www.aol.com
Date: Tue, 20 Jun 00 10:06:33
Message-ID: <MOD$000620.6103@rec.gardens.ecosystems>
References: <MOD$000619.17409@rec.gardens.ecosystems>



>Bill Robinson wrote:
>Gypsum is hydrated calcium sulfate with only marginal
>water solubility and it is stark white. It is used to
>help soil clays develop better drainage.
I believe the calcium in gypsum has also a chemical effect on clay, in that it
helps release the magnesium bond which keeps clay so tight and sticky.
- Tricia