Table 2. Soil nutrient concentration of restoration area and adjacent red pine stands in opencast kaolinite mines in Sancheong-gun.
Treatment
Nutrient
Carbon
Nitrogen
Phosphorus
Potassium
Calcium
Magnesium
(mg g
−1
)
(mg kg
−1
)
Restoration area
5.0
(0.5)
0.31
(0.4)
2.25
(0.9)
83
(10)
1,846
(228)
196
(46)
Red pine stands
36.0
(7.7)
2.08
(0.4)
1.07
(0.9)
117
(10)
914
(299)
112
(14)
P
-value
0.003
0.003
0.37
0.04
0.03
0.10