[Arid_gardener] Re: Gypsum for Drainage

[Olin Miller]

Gypsum may not help.  More likely there is a caliche layer, a crust of
calcium carbonate, that either needs to be removed or holes punched through
it.   See "AZ1281 Managing Caliche in the Home Yard " at
http://cals.arizona.edu/pubs/garden/az1281.pdf

Olin Miller, Master Gardener Volunteer
U of A Cooperative Extension, Maricopa County AZ
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----- Original Message ----- From: <themjudds at yahoo.com>
Sent: Tuesday, October 30, 2007 1:53 PM


> Emily Judd,  85242
> I am looking to put some turf in a friends backyard. She said the last
> year she has had up to 6 inches of standing water. It pools whenever it
> rains to the point of growing algae. I am going to get a soil sample to
> see how much gypsum I need, but does anyone have any other suggestions for
> drainage.