Symbiotic N₂-Fixation Estimated by the ¹⁵N Tracer Technique and Growth of Pueraria phaseoloides (Roxb.) Benth. Inoculated with Bradyrhizobium Strain in Field Conditions

Table 1

Growth characteristics of plants (inoculated and noninoculated Pueraria, Ipomoea) after 4-month cultivation.

Treatments	Fresh weight (g/m^2)				Dry weight (g/m^2)
	Shoot	Root	Nodule	Total	Shoot	Root	Nodule	Total
I. Pueraria	303.3b	12.0	2.667b	318b	64.0b	03.6	0.690b	68.29b
NI. Pueraria	144.0a	07.0	1.148a	152a	35.1a	02.1	0.283a	37.48a
Ipomoea	179.7a	44.3	—	224ab	29.9a	12.3	—	42.20ab
Sign. Trait ()		ns				ns

I. Pueraria = inoculated Pueraria, NI. Pueraria = noninoculated Pueraria, Sign. Trait = significant trait at 5% probability level, Nod. mass = nodule mass, significant at , and ns = nonsignificant. One-way ANOVA was performed using CropStat ver. 7.2.
In a column, values with different letters (a, b) are statistically different at the indicated significant trait.