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Light intensity and red/ far-red ratio of soybean canopy in different treatments
| Treatment | N | N + Fr | L + Fr | L |
|---|---|---|---|---|
| PAR (μmol·m−2·s−1) | 566.50 ± 2.24a | 566.57 ± 1.84a | 64.22 ± 0.68b | 63.33 ± 0.14b |
| R/Fr ratio | 1.33 ± 0.081a | 0.42 ± 0.05b | 0.08 ± 0.012c | 1.26 ± 0.027a |
Different letters in each table row are significantly different at P = 0.05
