Silica/Silicate as a material to control diseases in greenhouse
crops can be found the ag journals. In Canada, I'm pretty sure it
has become a regular greenhouse industry practice to use something like
potassium silicate. It is good for pythium and mildews on crops
like greenhouse cucumbers.
Re: [permaculture] Re: Thilo's web page in comparison to ATTRA'sweb page
, (continued)