Research Article
Response of Black Nightshade to Different Cropping Systems and the Effect on Physiological Parameters and Mineral Composition
Table 3
Variation in mineral composition of S. nigrum L. in the two cropping systems: open field and greenhouse.
| Nutrient | Cropping systems | SEM | LSD (5%) | F probability | Open field | Greenhouse |
| Macro minerals | Calcium (%) | 1.183a | 1.017ab | 0.0145 | 0.0570 | 0.001 | Phosphorus (%) | 0.6143a | 0.5213ab | 0.01088 | 0.04270 | 0.004 | Magnesium (%) | 0.6940a | 0.4073b | 0.00475 | 0.01865 | <.001 | Potassium (%) | 3.900ab | 4.570a | 0.1288 | 0.5056 | 0.021 | Sodium (mg/kg) | 350.3ab | 465.6a | 11.49 | 45.11 | 0.002 | Sulphur (%) | 0.634b | 1.503a | 0.0297 | 0.1166 | <.001 | Trace elements | Copper (mg/kg) | 16.97a | 12.87b | 0.488 | 1.915 | <.001 | Manganese (mg/kg) | 78.93a | 24.97b | 0.211 | 0.828 | <.001 | Iron (mg/kg) | 882a | 139b | 32.9 | 129.2 | <.001 | Zinc (mg/kg) | 59.90a | 37.27b | 1.314 | 5.160 | <.001 | Boron (mg/kg) | 27.03b | 37.27a | 0.636 | 2.497 | <.001 | Aluminium (mg/kg) | 672a | 68b | 21.2 | 83.4 | <.001 |
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Note: Means within columns followed by the same superscript were not significantly different ( ). SEM; LSD at 5% level. |