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Table 2 Light intensity and red/ far-red ratio of soybean canopy in different treatments

From: Low red/far-red ratio as a signal promotes carbon assimilation of soybean seedlings by increasing the photosynthetic capacity

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

  1. Different letters in each table row are significantly different at P = 0.05