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Table 4 Mean (± standard deviation) values of some important soil properties measured at bag filling stage and at the end of the experiment

From: Effect of rubber wood biochar on nutrition and growth of nursery plants of Hevea brasiliensis established in an Ultisol

 

pH

Avail.P

Exch.K

Exch.Mg

Exch.Ca

Treatment

mg kg-1

 

Bag filling

End

Bag filling

End

Bag filling

End

Bag filling

End

Bag filling

End

0% biochar + no LF

5.30 ± 0.01c

5.64 ± 0.11a

1699 ± 298a

1549 ± 85a

78 ± 34c

30 ± 9cd

22 ± 2c

14 ± 0c

248 ± 16c

220 ± 15b

0% biochar + N-P-K-Mg

-

4.31 ± 0.05b

-

1650 ± 222a

-

136 ± 7a

-

35 ± 1a

-

78 ± 5d

1% biochar + no LF

6.25 ± 0.03b

5.69 ± 0.09a

1570 ± 411a

1384 ± 297a

129 ± 41b

47 ± 12c

34 ± 6b

16 ± 2c

337 ± 31b

230 ± 22b

1% biochar + N-Mg

-

4.33 ± 0.08b

-

1585 ± 388a

-

17 ± 4cd

-

36 ± 6a

-

117 ± 16c

2% biochar + no LF

6.58 ± 0.01a

5.57 ± 0.33a

1474 ± 143a

1626 ± 198a

160 ± 48a

94 ± 42b

40 ± 4a

29 ± 2b

379 ± 28a

319 ± 18a

2% biochar + N-Mg

-

4.43 ± 0.11b

-

1535 ± 154a

-

12 ± 4d

-

41 ± 4a

-

136 ± 7c

  1. Values followed by the same superscripts in a column are not significantly different at p < 0.05.