Treatments

Ca%

Mg%

Na%

K%

P%

N%

Mn%

Fe%

Cu%

Zn%

Unmanure

3.33a

0.38c

0.36a

0.38d

40.82d

1.29c

187.24c

481.23a

13.44d

61.11a

Biochar

3.15b

0.42b

0.34b

1.37a

81.78c

1.98b

159.04d

159.04d

23.18a

61.93a

Compost

3.14b

0.46a

0.28c

1.28b

92.04a

1.87b

191.18b

191.15c

19.95a

48.94a

Biochar + Compost

3.03c

0.43b

0.37a

1.15c

82.76b

2.17a

212.57a

212.57b

18.80c

42.51a