Phosphorus Sorption Kinetics in Reclaimed Lignite Mine Soils under Different Age Stands of Robinia pseudoacacia L. in Northeast Germany

Table 3

Soil chemical properties at 0–3, 3–10, and 10–30 cm layers under 2 (R2), 3 (R3), 4 (R4), and 14 (R14) years old Robinia pseudoacacia plantations. Different letters within columns indicate significant differences (, Holm-Sidak).

Study site	pH^*	C : N	TOC^*	TN^*	Pox	TPo	PMB
			g kg^−1		mg kg^−1
0–3 cm
R2	7.4a	21.3a	3.2c	0.15a	34.7b	17.7b	1.34a
R3	7.5a	20.6a	3.5c	0.17a	34.9b	24.4b	1.17a
R4	7.4a	21.3a	6.6b	0.31a	61.8b	24.9b	1.05a
R14	7.4a	15.3b	23.3a	1.52a	120.2a	85.5a	1.09a
3–10 cm
R2	7.4a	32.0a	3.2b	0.10b	31.4b	9.4b	1.06a
R3	7.5a	26.7b	3.2b	0.12b	30.7b	7.9b	0.87ab
R4	7.5a	26.7b	4.0b	0.15b	38.7b	12.8b	0.46b
R14	7.5a	21.9c	11.4a	0.52a	94.6a	35.9a	0.44b
10–30 cm
R2	7.5a	55.0a	2.2b	0.04c	22.1b	6.9b	0.92a
R3	7.6a	54.0a	2.7b	0.05bc	23.5b	8.7b	0.59a
R4	7.5a	33.6b	3.7b	0.11b	29.0b	9.4b	0.43a
R14	7.5a	27.4c	10.4a	0.38a	95.2a	24.0a	0.42a

 ^*After Matos et al. [14].