 Observed effects relate to the effect of the nutrition rich compost carrier substrate of the EM-Bokashi preparation.Natural Yogurt, or Sauerkraut juice (pickled sour cabbage) can be successfully substituted for commercial "EM-bokashi" bran.In a community course of the Christchurch city council, New Zealand, 4-13-year-old students were invited to "learn the science behind reducing and utilising organic waste as a resource by turning it into natural fertilisers", using EM in Bokashi composting for home kitchen waste at the EcoDepot/EcoDrop.