Isolation and selection of highly effective phosphate solubilizing bacterial strains to promote wheat growth in Egyptian calcareous soils

Bulletin of the National Research Centre

Table 4 Interaction effect (bacterial strain × phosphorus fertilizer %) on root growth parameters

Treatments	Root fresh weight (g)	Root dry weight (g)	Root length (cm)	Root radius (cm)	Root surface area (cm²)	Shoot P (%)
T1	0.28	0.090	1594.6	0.0075	75.0	0.059
T2	0.61	0.128	2612.3	0.0087	141.9	0.069
T3	0.62	0.149	2784.2	0.0084	146.8	0.108
T4	0.64	0.151	1846.3	0.0104	121.3	0.109
T5	0.72	0.146	2882.1	0.0092	161.2	0.090
T6	0.76	0.160	3739.9	0.0081	189.1	0.094
T7	0.97	0.179	3877.0	0.0089	217.4	0.140
T8	0.89	0.164	3084.7	0.0097	185.5	0.142
T9	0.57	0.128	2416.6	0.0087	131.0	0.069
T10	0.60	0.130	2885.1	0.0080	146.6	0.108
T11	0.73	0.154	3012.1	0.0088	165.9	0.117
T12	0.76	0.147	2862.2	0.0091	164.5	0.148
T13	0.71	0.135	2165.7	0.0103	138.9	0.081
T14	0.72	0.135	3153.7	0.0087	169.0	0.125
T15	0.93	0.167	3171.9	0.0096	192.3	0.141
T16	0.74	0.146	2630.0	0.0095	156.5	0.147
T17	0.79	0.157	2759.9	0.0096	165.0	0.113
T18	0.80	0.162	3882.2	0.0081	197.2	0.122
T19	1.16	0.229	4604.3	0.0090	258.8	0.165
T20	1.08	0.209	4105.3	0.0093	235.3	0.139
L.S.D (5%)	0.235	0.037	1139.8	0.0011	54.8	0.033