Biological efficiency of a microbiological fertilizer TAGTIM LHO on soy-bean

We studied biological efficiency of the preplant treatment of soybean seeds (cultivar Lira) with microbiological fertilizer TagTim LHO in 2016-2017. The research was conducted in the All-Russian Research Institute of Oil Crops by Pustovoit V.S. (VNIIMK) located in Krasnodar. The studied fertilizer contains tubercle bacteria Bradyrhizobium japonicum , synthetic lipohitooligosaccharide and spores Penicillium bilaii Chala sp . Soil of the experiment field is leached low humus extra-heavy hard loamy black soil. Soybean seeds inoculation with studied preparation in doses 0.9; 1.8 and 3.6 liter per ton caused seed yield increase by 0.13-0.22 t per ha, dry vegetative mass by 0.35-0.45 t per ha, protein yield by 53.0-79.5 kg per ha and oil yield by 26.0-48.0 kg per ha, average plant height by 6.8-9.3 cm, pods amount by 61.5-81.0 pcs per sq. m and seeds quantity by 147.5-209.5 pcs per sq. m. The microbiological fertilizer did not influence protein and oil contents in soybean seeds. A dose of microbiological fertilizer TagTim LHO of 1.8 liter per ton appeared to be the most effective for before-sowing seed treatment.