THE EFFICIENCY OF THE USE OF MICROBIOLOGICAL FERTILIZERS IN CROPS | PLANT CELL BIOTECHNOLOGY AND..

The development of optimised agroecosystems based on beneficial relationships between plants and bacteria of microbiological fertilisers is the most pressing problem facing modern science. To solve it, compatible partners (crops, varieties, rhizobacteria strains) must be chosen that form stable associations that are well suited to local soil and climatic conditions. The constant expansion of the available selection of biofertilizers and crop varieties necessitates further research in this field.The aim of our research was to look into the peculiarities of spring barley grain yield, potato tubers, perennial grass green mass, seeds, and fibre flax fibre under the influence of foliar feeding with microbiological fertilisers Azotovit (B-9029 strain of Azotobakter chroococcum bacteria) and Phosphatovit (B8966 strain of Bacillus mucilaginosus Bac 10). Comprehensive studies were conducted on the Tverskaya State Agricultural Academy's(GSKhA) experimental area, which is located at 170904, Russian Federation, Tver, Marshala Vasilevskogo Str., 7.The granulometric composition of the soil in the experimental plots is soddymediumpodzolic, sandy loam. Foliar feeding was done at a rate of 100 litres per hectare during the tillering process of barley, the beginning of the budding phase of potatoes, the spring regrowth phase of perennial grasses, and the stem extension phase of fibre flax.The key elements of the structure of the yield and yieldwere assessed in experiments using tried-and-true crop production methods. Foliar fertilisation with a mixture of fertilisers at a rate of 0.2 l/ha for each component of the mixture was found to be the most appropriate option for the cultivation of barley, potatoes, and perennial grasses, ensuring yields of 2.97 t/ha for grain, 29.4 t/ha for tubers, and 34.5 t/ha for green mass with the best indicators of product quality.When growing fibre flax, it was discovered that foliar feeding rates of microbiological fertilisers needed to be increased to 0.3 l/ha of each portion, resulting in 1.09 t/ha of fibre and 0.59 t/ha of seeds. Separately applied microbiological fertilisers were also efficient. The degree of shaped yield increases, on the other hand, was significantly lower than those obtained with their complex application. The authors intend to investigate the feasibility of incorporating rhizobacteria into a system of simultaneous soil and plant seed processing during sowing, as well as the efficacy of foliar application of rhizobacteria.Biofertilizers are used in conjunction with microelement and humic preparations.

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