Research Article

Thermal, Morphological, and Biodegradability Properties of Bioplastic Fertilizer Composites Made of Oil Palm Biomass, Fertilizer, and Poly(hydroxybutyrate-co-valerate)

Figure 6

SEM micrographs of the soil burial samples. (a) PHBv/EFB/NPKC2, 0 weeks, (b) PHBv/EFB/NPKC2, 8 weeks, and (c) PHBv/EFB/NPKC2, 16 weeks. Note: PHBv (poly(hydroxybutyrate-co-valerate)), NPKC2 (coated), and EFB (empty fruit bunch).
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