玉米-大豆轮作及氮肥施用对土壤细菌群落结构的影响

周岚^1,^2,^**, 杨永^1,^**, 王占海³, 陈阜¹, 曾昭海^1,^*

Influence of Maize-Soybean Rotation and N Fertilizer on Bacterial Community Composition

ZHOU Lan^1,^2,^**, YANG Yong^1,^**, WANG Zhan-Hai³, CHEN Fu¹, ZENG Zhao-Hai^1,^*

图2 细菌群落结构主成分分析 T1: 大豆-大豆-大豆连作; T2: 大豆-玉米-大豆轮作; T3: 玉米-玉米-大豆轮作。3个施氮水平为0、50和100 kg hm -2 。
Fig. 2 PCA analysis of bacterial community composition T1 oybean-soybean-soybean continuous cropping; T2: soybean-maize-soybean rotation; T3: maize-maize-soybean rotation. Three leaves of N are 0, 50, and 100 kg hm -2 .