Here's an excellent current research piece on biochar production. A little weighty but well worth one's time.
http://www.biochar.org/joomla/images/stories/SteinerPhDSummary.pdf
This describes the technique I've found to work best on my site.
No, I Don’t Want to Check Your Calendar!
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Whenever my podcast partner and I set up video chats with guest-speaker
candidates, our first step is to ask them to propose three potential
dates/times th...
4 days ago
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