Which book is that? I remember reading about it. Thanks for reminding me. I am going to build one over the winter it’s a great idea for fertility but also heating the surrounding area for crops that like it warm.
This one…
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Nice! I don’t know that one.
A lot of good personal experience in it. I think they have been at it for 40+ years.
I’m going to get a copy.
Looks like I have another book to get
📚🤝🧠
