Table 5: Effects of stylosanthes Gracilus and A. americana with Al3+ (meq/100 g).

Days

Control

Land for planting stylo

Land for planting A. americana

13 - 5

4.6

4.6

4.6

10 - 7

3.9

3.2

3.3

29 - 7

3.4

3.0

3.2

17 - 8

3.3

3.2

3.1

7 - 9

3.3

3.0

2.7