Diversity of Rhizobium leguminosarum from Pea Fields in Washington State

Table 3

Mean values of total biomass, biomass due to nitrogen (N) fixation, quantity (𝑄) of N per plant, and quantity of N fixed by varieties (𝑛=24 for the treated plants, and 𝑛=6 for the control plants).

Varieties	Total biomass (g N)	Biomass due to N fixation (g N)	𝑄 of N/plant (mg N)	𝑄 of N fixed (mg N)
Delta	1.22	0.26^a	23.78	4.96^a
Aragorn	1.37	0.51^ab	25.57	8.17^ab
Stirling	1.03	0.5^ab	18.73	8.7^ab
Universal	1.41	0.45^ab	28.65	11.46^ab
Ariel	1.6	0.93^b	31.09	19.07^b
P value	0.146	0.036	0.12	0.043
Delta-Ctr	0.96	NA^∗	18.7	NA
Aragorn-Ctr	0.86	NA	17.39	NA
Stirling-Ctr	0.53	NA	10.04	NA
Universal-Ctr	0.96	NA	17.19	NA
Ariel-Ctr	0.67	NA	12.02	NA
P value	0.267	NA	0.24	NA

Letters that are the same within a column are not significantly different at 𝑃≤0.05.
^∗Statistical  P value is not applicable to this data.