Research Article

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 6

Main effects of soybean varieties and B. japonicum strains on the above-ground dry biomass yield, harvest index, and total nitrogen uptake.

Treatment BY (ton/ha) HI TNU (mg/plant)

Variety

Jalele12.44 0.204b 1783.71b
Cheri12.64 0.268a 2106.29a
Ethio-Yugoslavia11.68 0.262a 2055.27ab

Strain

Uninoculated10.48b 0.248 1580.20b
TAL 37810.75b 0.230 1664.96b
TAL 37915.53a 0.257 2700.12a

Significance

Variety NS ** **
Strain ** NS **
Variety × strain NS NS NS

CV (%) 10.22 12.77 10.14

NS, **: nonsignificant or significant at , respectively. Means within a column followed by the same letter(s) are not significantly different.
BY: above-ground dry biomass yield, HI: harvest index, TNU: total nitrogen uptake at maturity.