Fig. 5From: Identification and characterization of the rhizosphere phosphate-solubilizing bacterium Pseudomonas frederiksbergensis JW-SD2, and its plant growth-promoting effects on poplar seedlingsEffects of P. frederiksbergensis JW-SD2 on the growth of poplar seedlings during 150-day trial. Sterilized soil for a 50 days, b 100 days and c 150 days. Non-sterilized soil for d 50 days, e 100 days and f 150 days. Inoculation treatments (JW-SD2) are on the left, and control treatments (CK) on the right Back to article page