长期施肥对棕壤丛枝菌根真菌群落结构及其侵染的影响

郭静,罗培宇,杨劲峰,李冬冬,黄月玥,韩晓日

Influence of Long-term Fertilization on Community Structures and Colonization of Arbuscular mycorrhizal Fungi in a Brown Soil

GUO Jing,LUO PeiYu,YANG JinFeng,LI DongDong,HUANG YueYue,HAN XiaoRi

表2 供试土壤的理化性质

Table 2 Physical and chemical properties of test soils

处理 Treatment pH (H2O) 速效磷 AP (mg·kg-1) 速效钾 AK (mg·kg-1) 碱解氮 AHN (mg·kg-1) 硝态氮 NO3--N (mg·kg-1) 铵态氮 NH4+-N (mg·kg-1) 可溶性有机碳 DOC (mg·kg-1) 土壤含水量 SM (%) CK 5.75±0.01b 1.19±0.64d 96.66±1.21c 85.04±0.68f 12.06±0.02e 3.97±0.18d 39.42±0.26e 15.40±0.14b N 4.87±0.00d 2.14±0.64d 81.62±1.86c 110.43±0.94d 48.38±1.03c 4.45±0.12cd 65.41±0.05d 15.41±0.22b NP 5.35±0.01c 16.15±0.22c 76.94±2.32c 96.60±1.17e 51.22±1.39bc 4.83±0.16bc 71.29±0.74c 15.12±0.38b NPK 4.99±0.01c 17.10±0.63c 107.02±1.16c 120.73±2.43c 55.97±0.74b 5.26±0.046b 73.10±0.17c 15.80±0.04b M 6.64±0.06a 137.72±2.29b 209.96±9.98b 132.54±1.74b 41.81±0.75d 5.33±0.09b 108.44±2.51b 18.11±0.04a MNP 5.78±0.02b 182.15±7.01a 268.12±9.75a 165.56±2.24a 73.63±0.43a 7.75±0.12a 126.45±1.30a 18.20±0.73a