亚热带人工林下植被根际土壤酶化学计量特征

高雨秋,戴晓琴,王建雷,付晓莉,寇亮,王辉民

Characteristics of soil enzymes stoichiometry in rhizosphere of understory vegetation in subtropical forest plantations

GAO Yu-Qiu,DAI Xiao-Qin,WANG Jian-Lei,FU Xiao-Li,KOU Liang,WANG Hui-Min

表3 林分类型、林下植被类型和取样季节对亚热带人工林4种主要土壤养分影响的重复测量多因素方差分析结果(p值)

Table 3 Results (p-value) of multi-way repeated measures ANOVAs on the effects of forest stand types, understory species, sampling seasons and their interactions on four major soil nutrient factors in subtropical plantations

变异来源 Source of variation DOC NH4+-N NO3--N C:N 林分类型 Forest stand types (F) 0.200 0.021* 0.221 0.112 林下植被类型 Understory species (U) 0.000** 0.002** 0.002** 0.000** 取样季节 Sampling seasons (S) 0.226 0.003** 0.178 0.296 F × U 0.735 0.658 0.506 0.058 F × S 0.407 0.384 0.009** 0.623 U × S 0.311 0.095 0.084 0.267 F × U × S 0.129 0.511 0.270 0.800