Journal Article 2 permaculture Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Soil 1 agroforestry 1 ecological sanitation 1 mehr ... evapotranspiration system 1 land-use alternatives 1 low-cost solution 1 multispecies systems 1 perennialization 1 polyculture 1 silvoarable 1 sustainable agriculture 1 sustainable sanitation 1 tree crops 1 tree-based intercropping 1 wastewater reuse 1 weniger ...