to do
- chinampa
- walipini
- sheet mulching
- coppice
- seed saving
- Debal Deb
- Bill Mollison
- hugelkultur - clean up
- quinoa - more info
- herb spiral
- perennial crops
- oak - acorn harvesting
- http://inhabitat.com/japanese-students-create-straw-home-heated-by-agricultural-fermentation
- flow forms