livestock manure

Most of the 31 commercial farms in 16 states where livestock manure is converted into electricity are quite large.

"Livestock manure contributes major pollutants and has become a growing problem in many areas.

The first fertilization method requires each village to dig a communal manure pond, in which livestock manure is gathered.

The production of N2O from livestock manure depends on the composition of the manure and urine, the type of bacteria involved in the process, and the amount of oxygen and liquid in the manure system.