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Table 2
Summary of a two-way ANOVA results on morphological traits of M. aquaticum based on time-weighted data during the 35 day experiment period. Factors are external nutrient loading (ND) and sediment type (S); Bold values indicate statistical significance (P < 0.05).
| Growth index | Source | df | F | P |
|---|---|---|---|---|
| ND | 2 | 0.447 | 0.647 | |
| Relative growth rate | S | 1 | 58.182 | <0.001 |
| ND × S | 2 | 0.543 | 0.590 | |
| ND | 2 | 1.390 | 0.275 | |
| Mean plant height per pot | S | 1 | 92.910 | <0.001 |
| ND × S | 2 | 0.538 | 0.593 | |
| ND | 2 | 0.042 | 0.959 | |
| Mean stem diameter per pot | S | 1 | 150.621 | <0.001 |
| ND × S | 2 | 0.160 | 0.853 | |
| ND | 2 | 0.292 | 0.751 | |
| Number of lateral branches per pot | S | 1 | 149.818 | <0.001 |
| ND × S | 2 | 1.117 | 0.349 | |
| ND | 2 | 1.996 | 0.369 | |
| Number of roots per pot | S | 1 | 127.716 | <0.001 |
| ND × S | 2 | 0.332 | 0.847 |
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