Field soil warming enhances root exudate-induced primings but maintains positive net carbon balance in a subtropical Chinese fir plantation

Description

For abbrevications: ESW: experimental field soil warming; CT: ambient control SW: soil warming treatment Glu: glucose addition treatment Oxa: oxalic acid addition treatment Gly: glycine addition treatment sampling date: D28, D182, and D378: destructive sampling at day-28, day-182, and day-378 RR-DOC: response ratio of dissolved organic carbon (unitless) RR-available N: response ratio of available nitrogen (unitless) RR-available P: response ratio of available phosphorus (unitless) RR-available C:N: response ratio of available C:N ratio (DOC:available N) (unitless) RR-available C:P: response ratio of available C:P ratio (DOC:available P) (unitless) RR-available N:P: response ratio of available N:P ratio (unitless) RR-MBC: response ratio of microbial biomass C (unitless) RR-Cacq: response ratio of C-acquiring enzyme (unitless) RR-Nacq: response ratio of N-acquiring enzyme (unitless) RR-Pacq: response ratio of P-acquiring enzyme (unitless) PE(SOC): cumulative priming effect (mg CO2-C g-1 SOC) rePE: relative priming effect (%) Net C balance (soc): net C balance (mg C g-1 SOC) Net C balance (%):: net C balance (% of added C) Csub(SOC): substrate-derived respiration (mg CO2-C g-1 SOC) Csub: substrate-derived respiration (mg CO2-C kg-1 soil) Caculations could be found in methods

Institutions

• Fujian Normal University

  Fujian, Fuzhou

Categories

Licence