Waste and unoxygenated bacteria are the primary reason for failure of traditional septic systems. When large colonies of these anaerobic bacteria migrate from the septic tank to the disposal field they produce a mucus-like layer of slime, or biomat, which clogs the pores of the soil so air...
01 កញ្ញា 2005 This is the third edition of a self-published book. No respectable publisher would touch it with a ten foot shovel. Nevertheless, the book has now been sold around the world, translated into over a dozen languages and published in foreign editions on four continents. It has been talked about on...
01 កក្កដា 1995 This book describes the necessity of properly recycling human waste to maintain fertility of food producing soils. This book explores potential ways to do this while keeping in mind that recycling human waste can be very dangerous. 164 pages, illustrated
This folder contains useful information on being self-sufficient with such topics as making a garden, growing trees, food processing, simple stove, animal care,sanitation and providing clean water. page numbers for each section, illustrations
This publication discusses the background and history of digesters, the biology of digestion, raw materials, the gas, digesters, using gas, using sludge, and building a sump digester, and building an inner tube digester.
This booklet has been written for community development workers in developing countries who are not technicians in the area of water resources. It is meant to serve as a general guide when planning environmentally sound small-scale water projects, that is, projects which protect and conserve...