数字农科院2.0

Long-Term Elevated CO2 Improves Soil Health and Rice Yields in Paddy Fields

文献类型: 外文期刊

作者: Jiang, Fan;Du, Wenchao;van van Groenigen, Kees;Penuelas, Josep;Chang, Scott X.;Song, Lian;Cai, Chuang;Wang, Yu;Deng, Lin;Hu, Zhengkun;Shen, Weishou;Wu, Qicong;Yu, Haiyang;Yin, Ying;Ai, Fuxun;Zhou, Wei;Wang, Dongming;Sun, Jianqiang;Yan, Xiaoyuan;Shen, Renfang;Zhang, Jiabao;Guo, Hongyan;Zhu, Chunwu

作者机构:

关键词: CO2 fertilization effect;food security;global change;rice production;soil quality

期刊名称: ADVANCED SCIENCE

ISSN:

年卷期: 2025 年

页码:

收录情况: SCIE(2025版) ; ; EI(2025版)

摘要: Soil health underpins the productivity and ecosystem functioning of rice paddies, yet its response to elevated atmospheric CO2 (eCO2) remains poorly understood. Here, soil health responses to eCO2 are evaluated using the two longest-running rice free-air CO2 enrichment experiments, spanning 12 and 15 years. The results show that long-term eCO2 significantly improves soil health, strengthening its capacity to support crop production, water purification, and climate change mitigation. Integration of global observations further indicates that these improvements are widespread and cumulative over time, with paddy soils benefiting more than other terrestrial ecosystems. Consequently, long-term eCO2 exposure tends to enhance rice yield gains, in contrast to the productivity plateau observed in natural ecosystems. These findings provide novel and comprehensive evidence that long-term eCO2 enhances paddy soil health, improving soil multifunctionality and reinforcing the rice CO2 fertilization effect.

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