数字农科院2.0

Upcycling trace amounts of biomass waste into flash graphene can boost crop yields by more than a quarter and offer climate benefits

文献类型： 外文期刊

作者： Yubing Jiao;Xiangdong Zhu;Fengbo Yu;Manlin Xu;Rui Cai;Song Wu;Chao Jia;Chuifan Zhou;Jianzhou He;Cheng Cheng;Jason C. White;Qingfeng Song;Xinguang Zhu;Pete Smith;Kees Jan van Groenigen;Xiaoyuan Yan;Zhongfeng Zhang;Jiabao Zhang;Baoshan Xing;Longlong Xia;Jinguang Yang;Yujun Wang

作者机构：

关键词： biomass;circular economy;climate change;flash graphene;food security;photosynthesis;sustainable agriculture

期刊名称： One Earth

ISSN： 2590-3330

年卷期： 2025 年 8 卷 10 期

页码：

收录情况： SCIE（2025版） ; ; SSCI（2025版）

摘要： Global food security faces immense pressure from population growth and climate change, demanding sustainable agricultural intensification. While biochar offers promise for soil enhancement and carbon sequestration, its large-scale application requires significant biomass feedstock and energy-intensive production, raising economic and carbon footprint concerns. Nano-enabled foliar feeding is gaining momentum, but practical, eco-efficient field use from lab to farm remains challenging. Bridging this gap is essential for realizing nano-enabled agriculture without exacerbating environmental burdens. Here, we demonstrate on-site conversion of ecologically safe flash graphene via flash joule heating. Spraying 18 g/hectare of this graphene, produced from 75 g (<0.001%) of crop residues per hectare, on multi-crops over two seasons increased yields by 9.1%–27.3% through enhanced photosynthesis and alleviated oxidative stress. Compared to biochar, this approach reduces farmers’ inputs by 86%–91% and lowers life-cycle carbon emissions by up to 10,000-fold. We offered a self-sufficient, scalable, and climate-smart circular foliar feeding pathway to advance food security sustainably.

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