Effects of Inoculation by Bradyrhizobium japonicum Strains on Nodulation, Nitrogen Fixation, and Yield of Soybean (Glycine max L. Merill) Varieties on Nitisols of Bako, Western Ethiopia

Table 1

Surface (0–30 cm) soil physical and chemical properties of the experimental site.

Particle size distribution (%)			Textural class	pH (1 : 2.5 H2O)	OC (%)	TN (%)	AP (ppm)	CEC (Cmol (+)/kg)	PBS
Sand	Silt	Clay
47	20	33	SCL	5.5	1.88	0.14	14.82	15.60	54

SCL: sandy clay loam; OC: organic carbon; TN: total nitrogen; AP: available phosphorous; CEC: cation exchange capacity; PBS: percent base saturation.