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1 不同肥力水平土壤的基础性状

Table 1 Basic properties of soil with different fertility levels

土壤编号 Soil number 有机碳 Organic C (g·kg-1) 全氮 Total N (g·kg-1) 全磷 Total P (g·kg-1) 全钾 Total K (g·kg-1) 碱解氮 Alkaline N (mg·kg-1) 速效磷 Olsen-P (mg·kg-1) 速效钾 Available K (mg·kg-1) pH S1 2.94 0.31 0.60 20.68 43.8 13.7 160.7 8.22 S2 7.89 0.82 0.83 21.98 73.6 41.4 246.7 8.23 S3 8.79 0.86 0.95 20.54 55.1 35.2 106.8 8.39 S4 9.41 0.93 0.79 21.17 69.7 54.7 211.3 8.37 S5 16.14 1.61 1.17 21.83 112.6 37.4 258.2 8.11