National energy & fertilizer supply strategies .............................................................................................. 33
Environmental aspects .................................................................................................................................. 33
Socio-Cultural Aspects of Biogas Projects..................................................................................... 35
Participation.................................................................................................................................................. 35
Religious and social taboos........................................................................................................................... 35
Social classes and class barriers.................................................................................................................... 36
Social regulations for the division of labor................................................................................................... 37
Gender considerations................................................................................................................................... 38
Social Problems Affecting the Propagation of Biogas Technology ............................................. 39
Ethical barriers.............................................................................................................................................. 39
Socio-cultural taboos .................................................................................................................................... 39
Defense mechanisms against the use of human excrements as fertilizer ...................................................... 39
Irregular attendance and maintenance of biogas systems ............................................................................. 40
Fertilization................................................................................................................................................... 40
Political and Administrative Frame Conditions for Biogas Programmes .................................. 41
Political will and public opinion ................................................................................................................... 41
Program goals ............................................................................................................................................... 42
Administration .............................................................................................................................................. 42
Environmental Frame Conditions of Biogas Technology ............................................................ 43
Climatic conditions for biogas dissemination............................................................................................... 43
Firewood consumption and soil erosion .......................................................................................... ............. 44
Reduction of the greenhouse effect............................................................................................. .................. 45
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