Table 1 Chemical properties of long-term fertilizer treatments

5.32 ± 0.07 d

1.60 ± 0.01 d

11.04 ± 0.08 f

0.51 ± 0.005 c

13.50 ± 0.07 f

31.34 ± 0.50 e

85.09 ± 1.17 f

138.40 ± 2.51 e

5.17 ± 0.13 e

1.74 ± 0.06 c

10.96 ± 0.15 f

0.53 ± 0.002 c

13.34 ± 0.10 g

29.49 ± 1.16 e

88.48 ± 2.03 e

151.37 ± 2.17 d

5.30 ± 0.10 d

1.63 ± 0.03 d

11.47 ± 0.17 e

0.30 ± 0.003 d

13.73 ± 0.09 e

2.28 ± 0.30 f

86.44 ± 1.02 ef

137.09 ± 5.26 e

5.95 ± 0.13 c

1.55 ± 0.03 e

9.93 ± 0.06 g

0.31 ± 0.005 d

13.39 ± 0.03 fg

0.90 ± 0.11 f

96.59 ± 1.07 d

113.29 ± 2.27 f

6.23 ± 0.08 ab

1.86 ± 0.03 b

16.19 ± 0.16 c

0.87 ± 0.037 a

14.51 ± 0.09 b

172.16 ± 6.08 a

122.99 ± 2.11 b

193.73 ± 0.90 a

6.12 ± 0.12 b

1.97 ± 0.02 a

17.63 ± 0.10 a

0.85 ± 0.031 a

14.79 ± 0.05 a

162.94 ± 2.97 b

137.21 ± 1.01 a

163.15 ± 3.05 c

6.23 ± 0.07 ab

1.92 ± 0.03 ab

14.98 ± 0.02 d

0.76 ± 0.027 b

14.08 ± 0.04 c

140.80 ± 2.18 c

105.74 ± 2.68 c

179.09 ± 8.41 b

6.42 ± 0.09 a

1.99 ± 0.09 a

16.45 ± 0.13 b

0.54 ± 0.001 c

13.86 ± 0.10 d

126.97 ± 1.14 d

103.03 ± 2.11 c

149.23 ± 0.36 d