Table 7.
Bio-concentration (mg/kg) of essential plant nutrients in popcorn kernel
| MSWC rate (t/ha) | K | P | Mg | Ca | Cu | Fe | Mn | Mo | Zn |
|---|---|---|---|---|---|---|---|---|---|
| Control (0) | 353.40 | 2282.89 | 233.56 | 1.94 | 0.07 | 0.13 | 0.01 | 0.03 | 2.68 |
| 4 | 291.71 | 1642.54 | 163.51 | 1.21 | 0.05 | 0.10 | 0.01 | 0.03 | 1.69 |
| 8 | 251.15 | 1319.34 | 135.78 | 0.87 | 0.05 | 0.09 | 0.01 | 0.03 | 1.32 |
| Mean | 298.75 | 1748.26 | 177.62 | 1.34 | 0.06 | 0.10 | 0.01 | 0.03 | 1.89 |
| SEM ( ±) | 5.02 | 76.09 | 10.28 | 0.09 | 0.003 | 0.073 | 3.26 × 10–4 | 9.45 × 10–5 | 0.15 |
| LSD (p < 0.05) | 22.581 | 342.46 | 46.27 | 0.43 | 1.407 | 3.266 | 1.64 × 10–3 | 4.26 × 10–4 | 0.69 |
| F value | 0.002** | 0.007** | 0.014* | 0.009** | 0.019* | 0.046* | 0.04* | 0.033* | 0.017* |
MSWC Municipal solid waste compost, SEM Standard error of means, LSD Least significant difference at p ≤ 0.05
*Significant at 0.01
**Significant at 0.001