Research Article

Eichhornia crassipes Efficacy in Secondary Wastewater Treatment in the Western Highlands of Cameroon

Figure 4

Variation of plant parameters (means ± S.D.) in each lagoon throughout the experimental period: (a) plant height, (b) root length, (c) number of new buds, and (d) number of leaves (AL: anaerobic lagoon; FL 1: facultative lagoon 1; FL 2: facultative lagoon 2; ML: maturation lagoon).
(a)
(b)
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(d)