Table 4.

Effect of phosphorus (P) source, P level, and addition of phosphate-solubilizing bacteria (PSB) on P and nitrogen (N) uptake by mungbean.

Treatment	P concentration in plant (%)	N concentration in plant (%)	Total uptake P (kg ha−1)	Total uptake N (kg ha−1)
Control	0.18	0.92	11.49	58.01
All treatments	0.29	1.19	25.43	103.35
Significance level	∗∗	∗∗	∗∗	∗∗
P source (PS):
Single superphosphate	0.31	1.15b†	24.00	96.52
Rock phosphate	0.29	1.26a	28.36	115.81
Significance level	Ns	∗	∗∗	∗∗
P level (PL):
45 kg ha−1	0.28b	1.15b	24.64	100.14
90 kg ha−1	0.31a	1.26a	27.71	112.19
Significance level	∗	∗	∗∗	∗∗
PSB addition:
Without PSB	0.26b	1.11	22.15	95.99
With PSB	0.34a	1.30	30.20	116.33
Significance level	∗∗	∗∗	∗∗	∗∗
Interactions:	significance level
PS x PL	ns	ns	Ns	ns
PS x PSB	∗∗	ns	∗∗	ns
PL x PSB	ns	ns	Ns	ns
PS x PL x PSB	ns	ns	Ns	ns

^†Different letters after values indicate statistically significant difference (LSD test) at ∗P < 0.05; ∗∗P < 0.01, ns = non-significant.