This is a public-interest archive. Personal data is pseudonymized and retained under GDPR Article 89.

Re: Copper Culture-Biodynamic farming

Kathryn, what is a "Smith period"?  I've not seen silica available as 
a spray in Idaho, AFAIK.  Does it masquerade under another name in 
America?  Margaret L


At 03:39 AM 4/20/2008, you wrote:
>I've found silica as effective as copper sulphate against late blight
>on potatoes so long as I spray early enough - if I wait for a Smith
>period  then its has to be the copper
>
>kathryn

_______________________________________________
gardenwriters mailing list
gardenwriters@lists.ibiblio.org
http://lists.ibiblio.org/mailman/listinfo/gardenwriters

GWL has searchable archives at:
http://www.hort.net/lists/gardenwriters

Send photos for GWL to gwlphotos@hort.net to be posted
at: http://www.hort.net/lists/gwlphotos

Post gardening questions/threads to
"Gardenwriters on Gardening" <gwl-g@lists.ibiblio.org>

For GWL website and Wiki, go to
http://www.ibiblio.org/gardenwriters
Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index