Morgan Morrigan wrote:i remember seeing an article that said you could replicate lichen for fireplace cracks by mixing some up in milk, then spraying it on concrete !
anyone heard of any other ways?
Morgan Morrigan wrote:if you have a el cheapo NPK test tubes, might be interesting to see how much the water is pumped up coming off the tree trunks.....
is the nitrogen in the rain a nitrate or nitrite ?
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