The African keyhole garden. An accessible compost container in the center, which is watered with grey water (you’d need to be more mindful of the chemicals you dump in your sink), large stones store heat from the sun and release it overnight. https://image.nostr.build/a25cdecb9e8a501cf959c8905db20e3f1ed06e8f392e9f669f1e050a8adc3484.jpg
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.
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