不同肥力潮土的酶活计量比特征及其与微生物量的关系

张露,张水清,任科宇,李俊杰,段英华,徐明岗

Soil Ecoenzymatic Stoichiometry and Relationship with Microbial Biomass in Fluvo-Aquic Soils with Various Fertilities

ZHANG Lu,ZHANG ShuiQing,REN KeYu,LI JunJie,DUAN YingHua,XU MingGang

表2 不同肥力土壤的微生物量碳氮

Table 2 Microbial biomass carbon and nitrogen in different fertility soils

土壤编号 Soil number 微生物量碳 SMBC (mg·kg-1) 微生物量氮 SMBN (mg·kg-1) SMBC/SMBN SMBC/SOC (%) SMBN/TN (%) S1 114.87e 15.21d 7.66b 3.91a 4.92a S2 239.52c 19.26d 12.43a 3.03bc 2.35d S3 215.42d 23.00c 9.56b 2.65c 2.83c S4 312.48b 37.95b 8.24b 3.42ab 4.08b S5 662.48a 84.05a 7.88b 4.02a 5.23a