>The May/June 1997 issue (#211) of Biodynamics magazine features an article -
>"Principles of Biodynamic Viticulture" by Alan York - and one entitled
>"Compost Practices for Control of Grape Powdery Mildew."
>Gallo Wineries grow grapes organically and many other California wineries
>are converting acres to organic grape production. Check with UC Davis Hort
>Dept for an extension specialist who may be knowledgeable about this.
Carol A. Miles, Ph.D.
Washington State University
Extension Agricultural Systems
360 NW North Street
Chehalis, WA 98532
PHONE 360-740-1295 FAX 360-740-2792