Skip to main content
. 2022 Nov 1;23(21):13314. doi: 10.3390/ijms232113314

Table 1.

N uptake kinetics of pecan roots under varying NH4+:NO3− ratios. Lowercase letters indicate significant differences between varying NH4+:NO3− ratios (p < 0.05).

Treatment NH4+-N NO3−-N
Vmax/
(μmol·g−1·h−1)		 Km/
(mmol·L−1)		 Vmax/Km Goodness of Fit (R2) Vmax/
(μmol·g−1·h−1)		 Km/
(mmol·L−1)		 Vmax/Km Goodness of Fit (R2)
CK 3.00 ± 0.21 d 3.40 ± 0.07 d 0.89 0.975 3.30 ± 0.01 c 4.18 ± 0.47 c 0.81 0.996
T1 2.11 ± 0.00 d 1.85 ± 0.18 e 1.17 0.977 1.90 ± 0.02 d 1.62 ± 0.14 d 1.19 0.994
T2 6.96 ± 0.42 c 7.89 ± 0.21 c 0.88 0.966 7.33 ± 0.52 b 8.65 ± 0.18 b 0.85 0.979
T3 9.52 ± 0.93 b 10.80 ± 0.43 b 0.88 0.911 9.05 ± 0.78 a 10.43 ± 0.36 a 0.86 0.954
T4 11.13 ± 0.93 a 12.01 ± 0.39 a 0.92 0.942 10.10 ± 0.55 a 11.10 ± 0.35 a 0.91 0.976
T5 1.68 ± 0.02 d 1.72 ± 0.10 e 0.98 0.978 1.60 ± 0.01 d 1.68 ± 0.12 d 0.97 0.995