《Table 2 Experimental treatments》

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《生物炭对鸡粪好氧堆肥基质降解的影响与氨气排放研究（英文）》

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C:chicken manure；N:Caragana korshinskii Kom；B:biochar

There were a total of four treatments with three replicates in this experiment（Table 2）.In the experiment，the plastic composting bins were used as simulated composting devices，each of which was composed of two parts:the cover and the bin body.The size of the bin body was 25 cm×23 cm×23 cm.The bin cover was outfitted with a YW-068 inflate&deflate electric air pump（Qiangtai Machinery Manufacturing Ltd.，Wuxi，China）to maintain the aerobic state of composting materials and pool the gas generated during the fermentation.The mass proportion of fresh chicken manure and Caragana korshinskii Kom powder was calculated according to a carbon-nitrogen ratio of 25:1.Then，the biochar with 10%，20%and 30%mass fraction was added in the order given from Table 2（B~D）based on a preset gradient.Finally，the chicken manure，Caragana korshinskii Kom powder and the predetermined biochar were mixed evenly and the initial moisture content was adjusted to 65%.