Table 2.
Organic manure (M) with or without biochar (B) effects on dry matter accumulation of cotton.
| Treatments | Bud stage | Harvesting stage | ||||
|---|---|---|---|---|---|---|
| Root dry weight (g plant−1) | Shoot dry weight (g plant−1) | Root−shoot ratio | Root dry weight (g plant−1) | Shoot dry weight (g plant−1) | Root-shoot ratio | |
| M0B0 | 20.383c | 76.290d | 0.268b | 35.550c | 355.907c | 0.099a |
| M3B0 | 20.423c | 88.140c | 0.233c | 41.015b | 463.117b | 0.089b |
| M6B0 | 22.97b | 76.787d | 0.300a | 45.820a | 554.143a | 0.083b |
| M3B1 | 24.05a | 91.940b | 0.263b | 48.610a | 473.060b | 0.103a |
| M6B1 | 20.837c | 101.971a | 0.205c | 43.065b | 492.120b | 0.088b |
| M3B3 | 19.627c | 84.133c | 0.233c | 47.180a | 451.240b | 0.107a |
| M6B3 | 22.403b | 97.060b | 0.257b | 46.445a | 469.097b | 0.099a |
Note: Different letters in the same column indicate significant differences among treatments at the 0.05 level.