Treatment

N

S

P

K

Ca

Mg

Cu

Zn

B

Mn

Fe

Al

mg Mehlich-3 element·kg−1 in soil

S0

871

17

59

21

74

8.0

2.0

1.0

NA

1.4

119

1067

S250

839

24

64

19

56

7.0

1.9

0.8

NA

1.4

125

1124

S500

855

30

61

19

60

7.2

1.9

0.9

NA

1.5

122

1042

S1000

859

42

59

19

47

7.3

2.0

0.9

NA

1.2

129

1015