Influence of tree species on soil microbial residue accumulation and distribution among soil aggregates in subtropical plantations of China

Ecological Processes

Table 2 Soil properties at two depths in plantations of different tree species

Species	Soil layer (cm)	SOC (g kg⁻¹)	C/N	C/P	N/P	AP (mg kg⁻¹)	AK (mg kg⁻¹)	EC (mg kg⁻¹)	pH
C. lanceolata	0–10	25.11 ± 0.8	12.47 ± 0.46	41.45 ± 2.7	3.31 ± 0.1	4.96 ± 0.09	52.62 ± 3.32	346.95 ± 15.7	4.49 ± 0.03
P. massoniana		26.51 ± 2.5	13.21 ± 0.82	37.46 ± 10.29	2.75 ± 0.64	5.62 ± 0.22	49.41 ± 3.56	288.63 ± 8.47	4.58 ± 0.11
M. macclurei		23.33 ± 1.86	13.13 ± 0.45	36.53 ± 4.68	2.8 ± 0.41	4.93 ± 0.38	50.32 ± 1.79	305.9 ± 23.23	4.47 ± 0.02
S. superba		26.58 ± 0.75	13.25 ± 0.15	48.8 ± 3.9	3.68 ± 0.3	3.80 ± 0.07	53.33 ± 2	263.2 ± 12.37	4.46 ± 0.02
C. lanceolata	10–20	15.59 ± 1.7	10.1 ± 0.33	25.22 ± 2.37	2.49 ± 0.15	4.20 ± 0.44	41.39 ± 6.97	295.9 ± 16.37	4.35 ± 0.05
P. massoniana		12.8 ± 1.05	9.94 ± 0.37	33.19 ± 4.4	3.36 ± 0.51	4.57 ± 1.2	36.87 ± 2.2	314.46 ± 43.42	4.42 ± 0.11
M. macclurei		14.05 ± 0.68	10.15 ± 0.21	29.04 ± 3.82	2.87 ± 0.44	3.05 ± 0.23	37.07 ± 6.63	271.24 ± 33.53	4.34 ± 0.03
S. superba		12.69 ± 0.63	10.31 ± 0.63	24.18 ± 2.25	2.33 ± 0.1	2.71 ± 0.24	33.96 ± 2.61	249.66 ± 6.54	4.38 ± 0.01

Data were shown by mean ± SE
SOC soil organic carbon, C/N carbon:nitrogen ratio, C/P carbon:phosphorus ratio, N/P nitrogen:phosphorus ratio, AP available phosphorus, AK available potassium, EC exchangeable cations