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Safety and efficiency of sewage sludge and garden waste compost as a soil amendment based on the field application in woodland
Li, Yongshuang; Sun, Bo; Deng, Tingyue; Lian, Peng; Chen, Juhong; Peng, Xiawei
2021-10-01
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume222Pages:-
AbstractSewage sludge (SS) and garden waste (GW) compost can be used as soil amendments to improve the soil environment. Studies done till date have been focused on the changes of harmful substances during sludge composting, but the safety and efficacy of SS and GW composting on woodland soil environment are still unclear. In the study, a field experiment was performed using to investigate the safety and efficacy of SS and GW compost as a soil amendment on woodland soil. Soil nutrients (such as nitrogen, phosphorus and potassium), organic matter and electrical conductivity were significantly increased after the addition of the SS and GW compost, while there were no significant changes in soil heavy metals content and soil enzyme activities. From these soil properties, it was found that SS and GW compost was safe and efficacious in improving the soil environment. The application of SS and GW compost had no significant effect on microbial diversity. Co-occurrence network analysis revealed that SS and GW compost efficaciously enhanced the interaction between bacterial communities, which proved that it was safe and efficacious. Furthermore, SS and GW compost enhanced ABC transporters and carbohydrate metabolism of bacterial community, while reduced the pathotroph action (such as the plant pathogen) and wood saprotrophs. Overall, these results proved the safety and efficacy of SS and GW compost as soil amendments after being added to the soil. This study contributes to the use of harmless treatments and reutilization processes of SS and GW.
Department中国科学院环境生物技术重点实验室
KeywordSewage sludge Garden waste Soil amendments Microbial community Woodland soil
WOS Research AreaEnvironmental Sciences ; Toxicology
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46151
Collection中国科学院环境生物技术重点实验室
Affiliation1.Beijing Forestry Univ, Coll Biol Sci & Technol, Beijing 100083, Peoples R China
2.Beijing Forestry Univ, Natl Engn Lab Tree Breeding, Beijing 100083, Peoples R China
3.Beijing Forestry Univ, Beijing Key Lab Food Proc & Safety Forestry, Beijing 100083, Peoples R China
4.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Environm Biotechnol, Beijing 100085, Peoples R China
5.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
6.Jilin Agr Univ, Coll Plant Protect, Changchun 130118, Peoples R China
Recommended Citation
GB/T 7714
Li, Yongshuang,Sun, Bo,Deng, Tingyue,et al. Safety and efficiency of sewage sludge and garden waste compost as a soil amendment based on the field application in woodland[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2021,222:-.
APA Li, Yongshuang,Sun, Bo,Deng, Tingyue,Lian, Peng,Chen, Juhong,&Peng, Xiawei.(2021).Safety and efficiency of sewage sludge and garden waste compost as a soil amendment based on the field application in woodland.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,222,-.
MLA Li, Yongshuang,et al."Safety and efficiency of sewage sludge and garden waste compost as a soil amendment based on the field application in woodland".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 222(2021):-.
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