TABLE 4.

Nodulation of SUTN9-2 in mung bean 5 weeks after incorporated rice stubbles into the soil^a

Soil type	ARA (nmol ethylene · h−1 · nodule dry weight−1)	No. of nodules per plant	Nodule (mg [dry wt] · plant−1)	Plant (g [dry wt] · plant−1)
Control (without SUT9-2)	0.00 ± 0.00 B	0.00 ± 0.00 C	0.00 ± 0.00 B	0.13 ± 0.006 B
Low-organic-matter soil	26.30 ± 6.20 A	60.00 ± 5.00 A	0.58 ± 0.16 A	0.26 ± 0.07 A
High-organic-matter soil	25.90 ± 5.17 A	35.00 ± 11.00 B	0.70 ± 0.35 A	0.22 ± 0.04 A

^aDifferent letters in the same column indicate significant differences between treatments (P ≤ 0.05) (n = 3).