FIELD: agriculture; biotechnology.
SUBSTANCE: invention relates to agricultural microbiology and biotechnology, namely to new bacterial fertilizers having stimulating effect on growth of plants under unfavourable agroecological conditions. A bacterial fertilizer is proposed, containing bacterial cells and residues of nutrient medium with metabolites, and as bacteria it contains a strain of bacteria Pseudomonas oryzihabitans B3S, deposited in the collection of the Federal State Budgetary Scientific Institution the All-Russian Research and Development Centre of the Agricultural Microbiology under No. RCAM 04752 and a strain of bacteria Variovorax paradoxus AV-10, deposited in the collection of the Federal State Budgetary Scientific Institution the All-Russian Research and Development Centre of the Agricultural Microbiology under No. RCAM 04753. Ratio of bacterial cells of said strains from 2:1 to 1:2 with titre of 1.5–3 billion CFU/ml in amount of 0.5 to 2.0 % of volume of fertilizer, residues of nutrient medium with metabolites are the rest.
EFFECT: fertilizer provides for growth of plants and increased yield of agricultural crops under unfavourable ecological conditions.
1 cl, 3 tbl, 3 ex
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