Effect of black soldier fly larvae frass addition on humus content during low temperature co-composting
文献类型： 外文期刊
作者： Zhang, Ruju 1 ; Zhang, Yingpeng 1 ; Xi, Yonglan 1 ; Zhou, Jin 3 ; Han, Ting 1 ; Ma, Qiuqin 1 ; Wang, Cong 1 ; Zhu, Fei 1 ; Ye, Xiaomei 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Anim Sci, Nanjing 210014, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Crop & Livestock Integrat, Nanjing 210014, Peoples R China
3.Tianjin Normal Univ, Coll Life Sci, Tianjin Key Lab Anim & Plant Resistance, Tianjin 300387, Peoples R China
关键词： Composting; Low Temperature Environment; Black Soldier Fly Larvae Frass; Humus
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.0； 五年影响因子：9.5 ）
ISSN： 0960-8524
年卷期： 2024 年 412 卷
页码：
收录情况： SCI
摘要： Initiating aerobic fermentation under low temperature is the main challenge for winter livestock manure composting. This study aims to address this issue by applying black soldier fly larvae (BSFL) frass as a co-composting additive to enhance the low-temperature composting process. Specifically, this work explored the effects of chicken manure and BSFL frass co-composting on the temperature, humus content, and microorganisms with fresh weight ratio of 2:1, 1:1, 1:2 (w/w) at 6 degrees C. The result showed frass could rapidly rise the temperature to 50 degrees C and significantly increased the humus content by 15.6 % similar to 26.3 %. Moreover, microbial analysis revealed that Sphingobacteriaceae accelerated temperature rise via low-temperature reproduction, creating proper temperature for thermophilic bacteria (Truepera and Georgia). Additionally, Cellulomonas and other bacteria promoted organic matter degradation and participated in humus formation. This study presents a novel solution for low-temperature composting, providing practical insights for improving manure management in winter.
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