Abouelenien F, Namba Y, Nishio N, Nakashimada Y. Dry Co-Digestion of Poultry Manure with Agriculture Wastes. Appl Biochem Biotechnol. 2016;178:932-46 pubmed publisher
..Maximum ammonia accumulation was lowered to 43.7Â % by mixing of AWS (range 5.35-8.55 vs. 7.81-12.28Â g NÂ kg(-1) bed). The pH was held at 7.3-8.8, a range suitable for methanogenesis. ..