Abstract
The present study investigated the influence of different nanomaterials on physiological and biochemical activity of the nitrogen-fixing bacteria Azotobacter vinelandii IMV V-7076 and phosphate mobilizing bacteria Bacillus subtilis IMV V-7023 for the development of high-efficient free-flowing bacterial complex for crop production. Among the studied nanomaterials, vermiculite stimulated the most effectively bacterial growth, synthesis of amino acids and phytohormones, dehydrogenase, catalase and peroxidase activities. Based on vermiculite and highly efficient strains of bacteria Azotobacter vinelandii IMV V-7076 and Bacillus subtilis IMV V-7023, a free-flowing bacterial complex preparation for crop production was created. The preparation was stable during storage, it improved the nitrogenous and phosphorus nutrition of plants stimulated their growth by biologically active substances and protected plants from lesion by phytopathogenic micromicetes and bacteria.
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