Table 3. Soil nutrient stocks of restoration area and adjacent red pine stands in opencast kaolinite mines in Sancheong-gun.
Treatment
Nutrient (kg ha
−1
)
Carbon
Nitrogen
Phosphorus
Potassium
Calcium
Magnesium
Restorationarea
3,370
(470)
204
(30)
1.67
(0.70)
55.65
(7.49)
1,333
(326)
128
(33)
Red pine stands
20,171
(3,193)
1,158
(154)
0.63
(0.52)
71.47
(10.6)
482
(90.6)
66
(10.4)
P
-value
0.004
0.004
0.26
0.25
0.03
0.10