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