Table 2.
The impact of biochar on plant height, cob per plant, grains per cob, and cob weight grown in spring and autumn seasons with wastewater.
| Biochar rate (Mg ha−1) | Plant height (cm) | Cob plant−1 | Stomatal conductance | Total dry matter |
|---|---|---|---|---|
| Spring 2022 | ||||
| 0 | 180.67 ± 1.53a | 1.00 ± 0.01a | 14.00 ± 3.61a | 147.61 ± 26.69 |
| 5 | 187.33 ± 4.04a | 1.67 ± 0.58a | 22.33 ± 5.51a | 141.47 ± 20.4 |
| 10 | 187.33 ± 3.06a | 1.67 ± 0.58a | 29.33 ± 10.07a | 168.37 ± 40.77 |
| Autumn 2022 | ||||
| 0 | 182.67 ± 2.89ab | 1.00 ± 0.01 | 14.36 ± 7.23a | 148.43 ± 17.5a |
| 5 | 187.33 ± 2.08ab | 1.33 ± 0.58 | 21.33 ± 7.23a | 167.83 ± 46.01a |
| 10 | 190.00 ± 1.00b | 2.00 ± 0.01 | 31.00 ± 8.89a | 133.38 ± 6.47a |
Values are the mean and standard deviation (n = 3). Values with the same letters within the season are statistically not significant at p < 0.05.