Table 1. Effects of cold plasma on the germination of soybean seed.

Treatment	Germination potential (%)	Germination rate (%)	Germination index	Vigor index
CK	82.20 ± 2.93 a	82.20 ± 2.20 a	31.11 ± 1.81 b	495.70 ± 28.74 c
T1	85.60 ± 2.94 a	85.60 ± 2.94 a	35.37 ± 1.21 a	729.81 ± 24.96 ab
T2	90.00 ± 1.58 a	90.00 ± 1.58 a	35.67 ± 0.44 a	809.63 ± 20.54 a
T3	82.20 ± 2.23 a	83.30 ± 2.23 a	32.56 ± 1.68 b	682.41 ± 8.10 b
T4	81.10 ± 4.02 a	82.10 ± 4.02 a	29.26 ± 1.26 b	471.54 ± 51.02 c

Different lowercase letters denote statistical differences between treatments groups at the 5% level according to Duncan's test.