The effect of inoculation of a native PGPR isolate on
rice growth promotion, 30 days after sprouting. (1) Plant
was inoculated with SVPR30 strain; (2) positive control
(plant was irrigated with mineral fertilizer solution); (3)
negative control (plant was irrigated with distilled water);
and (4) plant was inoculated with Paenibacillus polymyxa
ATCC 10343 strain.