Mar 1, 2020 · Cornstalk mixed in a food waste at a proportion of 3:17 with 10% of raw composting constituents into the pile: Mitigate the emissions of ammonia 58.0%, methane 44.8%, and nitrous oxide 73.6%: Yang et al. (2019) 2019: China, United Kingdom and Denmark: Livestock manure, food waste, sewage sludge and green waste: Meta-analysis