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close this bookBetter Farming Series 31. Biogas: What it is; How it is Made; How to Use it (FAO Better Farming Series, 1984)
View the document(introduction...)
View the documentPreface
close this folderIntroduction
View the document(introduction...)
View the documentBiogas
View the documentHow is biogas made?
View the documentHow big should your biogas unit be?
close this folderHow to build a small biogas unit
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View the documentYou will need
View the documentWhere to put your biogas unit
View the documentBuilding the unit
View the documentTesting for leaks
close this folderWaste materials
View the documentWhat waste materials to use
View the documentHow to use them
View the documentMaking a starter
View the documentPutting waste into your biogas unit
View the documentTime
View the documentCold weather protection
View the documentStirring the waste mixture
View the documentWhen the gas is made
View the documentUsing your biogas
View the documentUsing the fertilizer
View the documentTaking care of your biogas unit
View the documentMaking more biogas