Table 3.
Means (±standard error) of mineral composition (g/kg DM) of three common organic waste streams in Kenya.
| Parameters | CM fed BSFL | KW fed BSFL | SG fed BSFL | p-values |
|---|---|---|---|---|
| Phosphorus | 1.0a* ± 2.74 | 2.0a ± 0.58 | 4.8b ± 1.37 | 0.0024 |
| Potassium | 1.7 ± 5.07 | 3.6 ± 1.01 | 1.3 ± 0.36 | 0.0688 |
| Calcium | 1.94 ± 1.90 | 1.93 ± 0.42 | 3.5 ± 0.62 | 0.0528 |
| Magnesium | 1.0a ± 0.23 | 1.3a ± 0.14 | 2.2b ± 0.01 | <0.0001 |
| Sodium | 3.3a ± 0.05 | 1.3b ± 0.14 | 0.8c ± 1.71 | <0.0001 |
| Iron | 2.1 ± 1.43 | 0.9 ± 0.15 | 0.4 ± 0.05 | 0.3662 |
| Copper | 0.6 ± 0.20 | 0.6 ± 0.19 | 0.9 ± 0.31 | 0.5311 |
| Manganese | 0.3 ± 0.09 | 0.2 ± 0.07 | 0.3 ± 0.09 | 0.5980 |
| Cobalt | 2.5 ± 0.76 | 1.1 ± 0.29 | 3.2 ± 1.00 | 0.1601 |
| Zinc | 0.9. ± 2.93 | 0.5 ± 1.45 | 1.0 ± 3.32 | 0.2131 |
*Means (n = 2) in the same row followed with different superscripts are significantly different at p < 0.05; CM, Chicken Manure; KW, Kitchen Waste; SG, Spent Grain; BSFL, Black Soldier Fly larvae.