Table 4: The influence of toxic substances in acid sulphate soil environment on the enzyme activity Phophatase in the roots indicates acid sulphate-resistant and acid-resistant rice plants.
|
The day after sowing |
Toxic in soil environment |
Acid sulphate soil |
Non toxic soil |
||||
|
Eleocharis Dulcis |
Type of rice plants |
Eleocharis Dulcis |
Type of rice plants |
||||
|
Cà Dung |
IR38 |
Cà Dung |
IR38 |
||||
|
21 |
High |
1.29 |
1.29 |
0.96 |
0.14 |
3.50 |
2.21 |
|
36 |
Low |
0.42 |
0.34 |
Small |
0.42 |
0.30 |
0.41 |
|
66 |
High |
Small |
Small |
Small |
Streaks |
Streaks |
Streaks |
|
87 |
Low |
Small |
Small |
Small |
Streaks |
Streaks |
Streaks |