The Scientific World Journal / 2020 / Article / Fig 3

Research Article

Water Treatment for Fish Aquaculture System by Biochar-Supplemented Planting Panel System

Figure 3

SEM images of (a) rice husk biochar prepared at 400°C, (b) rice husk biochar prepared at 500°C, (c) rice husk biochar prepared at 600°C, and (d) rice husk biochar prepared at 500°C after being used as supplemented plant root for 47 days.
(a)
(b)
(c)
(d)

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