Nanoscale Biochar for Fertilizer Quality Optimization in Waste Composting: Microbial Community Regulation
文献类型： 外文期刊
作者： Tao, Ran 1 ; Cui, Menghan 1 ; Li, Yuqing 1 ; Wang, Jixiang 3 ; He, Weijiang 3 ; Zhao, Yingjie 3 ; Wenping, Xie 3 ; Shen, Yu 1 ; Feng, Yanfang 3 ; White, Jason C. 6 ;
作者机构： 1.Nanjing Forestry Univ, Coll Ecol & Environm, Coinnovat Ctr Sustainable Forestry Southern China, Nanjing 210037, Peoples R China
2.Natl Positioning Observat Stn Hung tse Lake Wetlan, Nanjing 210037, Peoples R China
3.Jiangsu Acad Agr Sci JAAS, Minist Agr & Rural Affairs Peoples Republic China, Key Lab Agroenvironm Downstream Yangze Plain, Inst Agr Resources & Environm, Nanjing 210014, Peoples R China
4.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China
5.Anhui Univ Sci & Technol, Inst Soil Sci, Sch Earth & Environm, Key Lab Soil Environm & Pollut Remediat, Huainan 232001, Peoples R China
6.Connecticut Agr Expt Stn, New Haven, CT 06511 USA
7.Beijing Normal Univ, Coll Water Sci, Beijing 100875, Peoples R China
关键词： Biochar nanoparticles; Organic waste valorization; Nutrient cycling; Nitrogen retention; Sustainable agriculture
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 414 卷
页码：
收录情况： SCI
摘要： Conventional composting faces challenges of nitrogen loss, product instability, and limited humic substance formation. This study investigated the effects of nanoscale biochars (nano-BCs) derived from rice straw (nanoRSB) and corn stover (nano-CSB) on manure composting. A randomized design with five treatments was used: control, regular biochars (RSB and CSB), and nano-BCs. Nano-BCs, especially nano-CSB, significantly improved compost maturity and reduced phytotoxicity, achieving a 146.20 % germination index. They increased total nitrogen (55.09-63.64 %) and phosphorus (10.25-12.33 %) retention, reduced NH4+-N loss, and promoted nitrification. Nano-CSB showed the highest final NO3--N content (8.63 g/kg). Bacterial richness and diversity increased by 25-30 % in nano-BC treatments, with selective enrichment of beneficial species. The unique properties of nano-BCs, including high surface area and microporous structure, improved nutrient retention and compost quality. Nano-BCs offers a promising solution for sustainable waste management and high-quality compost production in agriculture, significantly enhancing nutrient retention and microbial community regulation during composting process.
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