The effects of environmental factors on aerobic composting for pig dung Increasing nitrogen conservation by adding urease inhibitor NBPT to chicken compost manure Enzyme activity as affected by surfactant APG in dairy manure compost in bioreactor Dynamic changes of ammoniaoxidizing archaea community structureduring aerobic composting of chicken manure Effects of microbial agent inoculation on bacterial community diversity in the process of pig manure composting. Nitrogen conservation by adding sulfur to dairy manure in compost bioreactors