Nov 1, 2021 · Because of rapid development in the livestock industry, the production of chicken manure has subsequently increased, which may contribute to environmental pollution.In this regard, In tank composting of biochar amended chicken manure and sawdust mixtures was investigated to find out the effect of biochar at the ratios of 0% (control), 3% (T1), 5% (T2), and 10% (T3) on ammonia and greenhouse