Application of Potential Phosphate-Solubilizing Bacteria and Organic Acids on Phosphate Solubilization from Phosphate Rock in Aerobic Rice

Table 1

Effect of organic acids on plant P uptake.

Dose of organic acid (mM)	Plant P uptake (mg P pot^−1)
	Oxalic acid				Malic acid
	PSB noninoculated Treatments		PSB inoculated Treatments		PSB noninoculated Treatments		PSB inoculated Treatments
	Rate of PR (kg ha^−1)
	0	60	0	60	0	60	0	60
0	0.21e	0.29b	0.25f	0.36c	0.21d	0.28b	0.23e	0.33c
10	0.24d	0.30b	0.29e	0.48b	0.22d	0.29b	0.25d	0.39a
20	0.27c	0.37a	0.32d	0.78a	0.24cd	0.34a	0.27d	0.37ab
30	0.28bc	0.39a	0.37c	0.75a	0.26c	0.36a	0.32c	0.36b

Means within the same column followed by the same letters are not significantly different at P ≤ 0.05.