Nanoscale Biochar for Fertilizer Quality Optimization in Waste Composting: Microbial Community Regulation

文献类型： 外文期刊

第一作者： Tao, Ran

作者： Tao, Ran;Cui, Menghan;Li, Yuqing;Shen, Yu;Tao, Ran;Cui, Menghan;Li, Yuqing;Shen, Yu;Tao, Ran;Wang, Jixiang;He, Weijiang;Zhao, Yingjie;Wenping, Xie;Feng, Yanfang;Wang, Jixiang;He, Weijiang;Zhao, Yingjie;White, Jason C.;Tao, Ran

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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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