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Table 2

Characteristics of productivity observed during the production cycles of aquatic macrophytes in tropical aquaculture ponds. Values in the same column with the same letter are not significantly different at P > 0.05 (Kruskal–Wallis ANOVA).* For E. crassipes, leaf biomass is given in parentheses.

Macrophytes Productivity g m−2 day−1 Risk of non-productive cycle  

Median Score Median Score
A. filiculoides 11.3a 5 0.18bc 3
L. minor 8.2ab 4 0.19bc 2
S. molesta Sm1 4.9c 2 0.17b 4
S. molesta Sm2 6.5bc 3 0.32c 1
E. crassipes 7.5ab (0.96)* 1 0.04a 5

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