The growth of the livestock industry poses a problem for the environment as waste accumulated cattle, pigs, chickens and other livestock. Waste is a pollutant because of the decomposition of manure....
Recognizing that in the future chemical fertilizer ( anorganic) as non- renewable natural materials ( unrenewable) to the less availability, and, on the other hand, there is the health awareness of....
Biogas is produced by anaerobic microbial activity in organic materials are biodegradable. Biogas generation as simply derived from the fermentation of fresh cow dung slurry, sewage know, ....