Table 5 The effect of maize straw biochar on growth parameters of tomatoes
Season | Biochar rate (t ha−1) | Plant height (cm) | Root weight (g plant−1) | Shoot weight (g plant−1) |
|---|---|---|---|---|
1 | 0 | 87.77a | 20.04ab | 395.3ab |
3.5 | 85.64a | 13.19bc | 189.9bc | |
6.9 | 60.25a | 6.81c | 67.59c | |
13.8 | 81.58a | 8.81c | 155.5c | |
27.6 | 95.63a | 27.09a | 427.6a | |
p-value | p > 0.05 | p < 0.01 | p < 0.001 | |
2 | 0 | 70.58a | 18.66a | 91.39ab |
3.5 | 71.17a | 17.63a | 70.94bc | |
6.9 | 70.83a | 21.07a | 51.62c | |
13.8 | 80.31a | 27.58a | 114.08a | |
27.6 | 78.42a | 15.89a | 101.78ab | |
p-value | p > 0.05 | p > 0.05 | p < 0.001 |