Table 2. Physicochemical parameters of the organic waste materials at the beginning and after 22 days after adding black soldier fly larvae.
| Soil Parameter | Initial Material* | Final Material after 22 Days* | ||||||
|---|---|---|---|---|---|---|---|---|
| WMC (95%CI) | WM (95%CI) | WMC (95%CI) | WM (95%CI) | WMC+CS (95%CI) | WM+CS (95%CI) | WMC+CS+L (95%CI) | WM+CS+L (95%CI) | |
| pH | 7.13 (6.97–7.29)B | 6.80 (6.65–6.97)A | 7.18 (7.02–7.34)B | 6.85 (6.69–7.01)A | 7.58 (7.42–7.74)C | 7.25 (7.09–7.41)B | 7.98 (7.82–8.14)D | 7.65 (7.49–7.81)C |
| N | 45.49 (43.0–48.0)C | 44.7 (42.15–47.21)C | 15.42 (13.0-.17.95)B | 14.61 (12.08–17.14)B | 16.68 (14.15–19.21)B | 15.9 (13.34–18.40)B | 4.44 (1.91–6.98)A | 3.63 (1.1–6.16)A |
| C/N | 12.01 (11.03–13.0)B | 7.38 (6.41–8.36)A | 12.95 (12.0–13.93)B | 8.33 (7.35–9.30)A | 12.84 (11.87–13.82)B | 8.22 (7.24–9.19)A | 13.0 (12.02–14.0)B | 8.37 (7.39–9.35)A |
| ∑ Pi | 4669 (4135–5203)EF | 4960 (4426–5494)F | 3196 (2662–3730)BC | 3487 (2953–4021)CD | 3767 (3233–4301)CD | 4058 (3525–4592)DE | 2095 (1561–2629)A | 2386 (1852–2920)AB |
| ∑ Po | 4500 (3955–5046)D | 4793 (4247–5338)D | 1684 (1139–2230)BC | 1977 (1431–2522)C | 1817 (1272–2363)BC | 2110 (1565–2656)C | 855 (310–1401)A | 1148 (603–1694)AB |
WM = waste model, WMC = waste model with charcoal, CS = ceramic sherds, L = larvae. Concentrations of N and P are given in g kg-1 soil, those of amino sugars are expressed in g kg-1 N.
*Treatments sharing a letter after the 95%CI are not significantly different at the 5% level for the respective soil parameter.