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Table 1 Concentrations of the inorganic nitrogen (N) and the extractable phosphorus (P), calcium (Ca), magnesium (Mg), and potassium (K) in the control, 20 % thinning (T20), and 30 % thinning (T30) at a depth of 0–10 cm 3 years following thinning

From: Effects of thinning intensity on nutrient concentration and enzyme activity in Larix kaempferi forest soils

Thinning intensity Inorganic N
(mg kg−1)
Extractable P
(mg kg−1)
Extractable Ca
(cmolc kg−1)
Extractable Mg
(cmolc kg−1)
Extractable K
(cmolc kg−1)
Control 8.63
(0.26)b
17.50
(0.51)a
0.83
(0.08)b
0.27
(0.02)b
0.24
(0.04)a
T20 17.48
(1.91)a
20.03
(1.40)a
2.57
(0.56)a
0.57
(0.07)a
0.29
(0.02)a
T30 10.64
(1.37)b
18.14
(1.05)a
1.50
(0.17)ab
0.44
(0.05)ab
0.22
(0.01)a
  1. Different letters indicate significant difference among the three thinning intensities (n = 3; P = 0.05). Values in parenthesis denote the standard errors