Table 5.
Popping indices of popcorn kernels as influenced by organic or inorganic soil amendments.
| Soil amendment | Rate | Volume (cm3/g) | Percentage (%) | Kernel | Number kernel (10 g) | Mass (g) 10 kernels |
|||
|---|---|---|---|---|---|---|---|---|---|
| Flake | Expansion | Popped kernel | Unpopped kernel | Length (mm) | Breadth (mm) | ||||
| Control | 0 | 69.92 | 13.98 | 24.1 | 232.1 | 0.55 | 0.62 | 83.16 | 1.30 |
| Compost (t ha−1) | 4 | 270.92 | 54.18 | 77.6 | 54.7 | 0.84 | 0.60 | 84.25 | 1.28 |
| 8 | 265.13 | 53.03 | 74.7 | 55.3 | 0.86 | 0.61 | 87.75 | 1.23 | |
| NPK 20-7-3 (kg ha−1) | 90 | 52.29 | 10.46 | 36.7 | 359.0 | 0.56 | 0.83 | 86.17 | 1.42 |
| 180 | 57.17 | 11.48 | 38.7 | 333.1 | 0.59 | 0.87 | 105.50 | 1.38 | |
| LSD (p ≤ 0.05) | 38.58 | 8.76 | 24.5 | 122.7 | 0.07 | 2.00 | 16.85 | 0.21 | |