CAJ | 학술논문

[目的]为兔粪堆肥过程中的辅料选择、配方设计及工艺优化等提供科学依据.[方法]以兔粪、稻草和食用菌渣为原料,采用人工翻堆的方式进行高温堆肥,研究兔粪堆制过程中理化参数的变化规律及高温发酵机制.[结果]经过35 d的堆腐,堆体含水率、总有机碳含量和C/N逐渐下降,全氮含量逐渐升高,堆体进入腐熟阶段;从试验组取部分堆肥加入5%面粉后堆体温度逐渐升高,进入2次发酵,堆体pH值先逐渐下降后又逐渐回升,其总有机碳和全氮含量及C/N变化不明显.[结论]水溶性速效碳源是堆肥后期微生物繁殖的限制因子,适时提供水溶性速效碳源可加速物料腐熟.
[목적]위토분퇴비과정중적보료선택、배방설계급공예우화등제공과학의거.[방법]이토분、도초화식용균사위원료,채용인공번퇴적방식진행고온퇴비,연구토분퇴제과정중이화삼수적변화규률급고온발효궤제.[결과]경과35 d적퇴부,퇴체함수솔、총유궤탄함량화C/N축점하강,전담함량축점승고,퇴체진입부숙계단;종시험조취부분퇴비가입5%면분후퇴체온도축점승고,진입2차발효,퇴체pH치선축점하강후우축점회승,기총유궤탄화전담함량급C/N변화불명현.[결론]수용성속효탄원시퇴비후기미생물번식적한제인자,괄시제공수용성속효탄원가가속물료부숙.
[Objective] The study was to provide the theoretical basis for excipient selection, formulation design and process optimization in composting process of rabbit dung. [Method] The rabbit dung, rice straw and edible fungus residue were taken to make high temperature compost with artificial pile-turning method. The change law of physical and chemical parameters of rabbit dung in composting process and its high temperature fermentation mechanism were studied. [Result] After 35 d of composting, the moisture content, total organic carbon content and C/N of the pile decreased gradually, while its total nitrogen content increased gradually, and the pile entered the mature stage. When 5% flour was added into a part of compost that from tested group, the temperature of the pile was increased gradually and the pile entered the secondary fermentation stage, the pH value of the pile decreased gradually and then increased gradually, while the contents of total nitrogen and total nitrogen and C/N of it had no obvious change. [Conclusion] The water-soluble available carbon source was the limiting factor on microorganism propagation in later stage of composting, timely provided water-soluble available carbon source could accelerate maturity of the material.