Kuroda Kazutaka, Tanaka Akihiro, Furuhashi Kenich, Nakasaki Kiyohiko
a Biomass Utilization and Daily Management Group, Division of Livestock and Grassland Research, Kyushu Okinawa Agriculture Research Center , National Agriculture and Food Research Organization (NARO/KARC) , Koshi , Japan.
b Department of International Developing Engineering , Tokyo Institute of Technology , Tokyo , Japan.
Biosci Biotechnol Biochem. 2017 Dec;81(12):2400-2406. doi: 10.1080/09168451.2017.1389607. Epub 2017 Nov 1.
Thermophilic ammonium-tolerant bacterium Bacillus sp. TAT105 grows and reduces ammonia (NH) emissions by assimilating ammonium nitrogen during composting of swine feces. To evaluate the efficacy of a biological additive containing TAT105 at reducing NH emissions, composting tests of swine manure on a pilot scale (1.8 m) were conducted. In the TAT105-added treatment, NH emissions and nitrogen loss were lower than those in the control treatment without TAT105. No significant difference was detected in losses in the weight and volatile solids between the treatments. Concentration of thermophilic ammonium-tolerant bacteria in the compost increased in both treatments at the initial stage of composting. In the TAT105-added treatment, bacterial concentration reached ~10 colony-forming units per gram of dry matter, several-fold higher than that in the control and stayed at the same level until the end. These results suggest that TAT105 grows during composting and reduces NH emissions in TAT105-added treatment.
嗜热耐铵细菌芽孢杆菌属TAT105在猪粪堆肥过程中通过同化铵态氮来生长并减少氨（NH₃）排放。为评估含有TAT105的生物添加剂在减少NH₃排放方面的功效，进行了中试规模（1.8米）的猪粪堆肥试验。在添加TAT105的处理中，NH₃排放和氮损失低于未添加TAT105的对照处理。各处理之间在重量和挥发性固体损失方面未检测到显著差异。堆肥初期，两种处理中堆肥里嗜热耐铵细菌的浓度均增加。在添加TAT105的处理中，细菌浓度达到每克干物质约10⁶菌落形成单位，比对照高出几倍，并一直保持到最后。这些结果表明，TAT105在堆肥过程中生长，并在添加TAT105的处理中减少了NH₃排放。
