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 36 66 87 |
high low high low |
1.29 0.42 small small |
1.29 0.34 small small |
0.96 small small small |
0.14 0.42 Streaks Streaks |
3.50 0.30 Streaks Streaks |
2.21 0.41 Streaks Streaks |