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Root length, superficial area, average diameter, root volume and number of root tip of N managements of rice roots at the seedling stage 10 days after transplanting in Rugao sites in Jiangsu.
| Treatment | Root length (cm plant−1) | Surface area (cm2 plant−1) | Average diameter (mm) | Root volume (cm3 plant−1) | Number of root tip (plant−1) |
|---|---|---|---|---|---|
| CK | 481.7 a | 50.6 a | 0.34 b | 0.43 a | 4459.7 a |
| FFP | 274.4 c | 32.5 c | 0.38 ab | 0.31 b | 1874.6 c |
| OPT | 296.1 b | 39.0 b | 0.42 a | 0.41 a | 3047.0 b |
