Grazing exclusion increases soil organic C through microbial necromass of root-derived C as traced by 13C labelling photosynthate

• Published in: Biology and fertility of soils Vol. 60; no. 3; pp. 407 - 420
• Main Authors: Qu, Qing, Deng, Lei, Gunina, Anna, Hai, Xuying, Deng, Jun, Shangguan, Zhouping, Kuzyakov, Yakov
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.04.2024; Springer Nature B.V
• Subjects: aboveground biomass; Agriculture; Biomarkers; Biomass; Biomedical and Life Sciences; Carbon dioxide; carbon sequestration; Fungi; Grasslands; Grazing; Labeling; Life Sciences; Lignin; microbial biomass; Microorganisms; necromass; Original Paper; Phenols; Plants; rhizodeposition; Roots; Soil; Soil microorganisms; soil organic carbon; Soil Science & Conservation; Soils; Particulate organic C; Plant-microbe interaction; Amino sugars; C persistence; Terrestrial C cycle; Vegetation restoration; Lignin phenols; Mineral-associated organic C

Grasslands store large amounts of C; however, the underlying mechanisms of soil C sequestration after grazing exclusion are not well known. This study aimed to elucidate the drivers of soil organic C (SOC) sequestration from plant and microbial residues in temperate grasslands after long-term (~ 40...