您好，欢迎访问河南省农业科学院 机构知识库！
河南省农业科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Long-term fallowing produces specific fungal taxa associated with soil carbon storage

文献类型： 外文期刊

作者： Li, Fang 1 ; Chen, Lin 2 ; Li, Yue 1 ; Han, Yanlai 1 ; Wang, Yi 1 ; Li, Peipei 1 ; Zhang, Shuiqing 4 ; Zhang, Jiabao 2 ;

作者机构： 1.Henan Agr Univ, Coll Resources & Environm, Zhengzhou 450044, Peoples R China

2.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 211135, Peoples R China

3.Henan Agr Univ, Coll Resources & Environm, Coconstruct State Key Lab Wheat & Maize Crop Sci, Zhengzhou 450044, Peoples R China

4.Henan Acad Agr Sci, Inst Plant Nutr & Environm Resources Sci, Zhengzhou 450002, Peoples R China

关键词： 13 C-labelling assay; Chaetomiaceae; CO2 fixation; long-term fertilization; microbial species resources; soil fungal community; soil organic C; Trichocladium

期刊名称：PEDOSPHERE （ 影响因子：7.3； 五年影响因子：6.2 ）

ISSN： 1002-0160

年卷期： 2024 年 34 卷 6 期

页码：

收录情况： SCI

摘要： Cropland expansion has caused the loss of soil organic carbon (SOC) and the degradation of microbial communities. Fallowing is an important strategy for soil restoration, and fungi are critical in soil fertilization. This study compared the soil properties and fungal assemblage in two adjacent environments (farmland vs . fallowing) using a 30-year field experiment composed of five treatments: fallowing and agricultural management under no fertilization, chemical fertilization, and chemical fertilization plus cow manure or crop straw. The fallowed soil had more diverse fungi and maintained higher SOC than the artificially managed treatments. Importantly, the relative abundance of Chaetomiaceae was positively correlated with all the carbon components (SOC, dissolved organic carbon, and microbial biomass carbon) simultaneously. An RNA-Seq of Trichocladium uniseriatum, the key fungus affiliated with Chaetomiaceae, showed that straw addition significantly upregulated the genes for T. uniseriatum melanogenesis, resulting in recalcitrant necromass formation. A remarkable carbon dioxide (CO2) assimilation capacity of T. uniseriatum was revealed using 13 C-labelling assay. Therefore, T. uniseriatum improved SOC storage directly by CO2 fixation and indirectly by melanogenesis. Fertilization of agricultural systems can stimulate the growth of T. uniseriatum. Inoculation of T. uniseriatum promoted crop growth, facilitating carbon absorption from the roots. This study highlights that the valuable microbial species resources preserved in fallowed soils can improve farmland ecosystems.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：河南省农业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台