 | Reflections from ASPO: Contradiction, EROI, and Future Energy Supplies | The Oil Drum | Drumbeat: October 29, 2009 |  |
128 comments on Meeting Energy Decline Part-Way - Potatoes?
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128 comments on Meeting Energy Decline Part-Way - Potatoes?
Comments can no longer be added to this story.
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GAIA Host Collective
I'll jump in with some thoughts;
1. Soil fertility: One can compost humanure, I use manure from our sheep, and cover crops provide fertility AND weed reducing cover. Cover crops
2. Indirect fossil fuel for organic: Much less than 'modern' gardening. Manure is local, predator insects are local, mulch material is local (I use a scythe).
3. External inputs: See #1 above. I sometimes use a small electric tiller, but also have 2kW photovoltaic.
And if you're concerned about the potential pathogen issues with humanure, you can always grow a nitrogen capturing crop like comfrey, and then compost that.