"BruceW..1" wrote:

You know SoilMoist, those polymer hydrogel granules:
http://www.soilmoist.com/soilhome.html

If you're interested, the NY Times had a related article:
http://nytimes.com/2004/07/20/scienc...G8m+5qAo52Xhow

Say I mixed Soilmoist with topsoil for my lawn. Does anyone know how
long this stuff will last? I have no idea. For all I know it could
last forever, but I doubt it.

Thanks for your help.


Terra-Sorb, a similar product, lasts five years and breaks down into
potassium

http://www.planthealthcare.com/catal...errasorb3.html

DiGiTAL ViNYL (no email)
Zone 6b/7, Westchester Co, NY, 1 mile off L.I.Sound
2nd year gardener
http://members.aol.com/DigitalVinyl66/Garden2004.html