THE PROBLEM OF PHOSPHORIC FERTILIZER AND METHODS OF THEIR BIOLOGICAL SOLUTION
It was decided to contribute to the development of the country, taking the development of phosphorites from the Isfara deposit, located eight kilometers north of Isfara, as the object of research. The prospect of using local raw materials for the production of phosphate fertilizers has been substantiated. Study of the possibility of the Bacillus subtilis strain to mobilize phosphates and their effect on mycorrhization of wheat roots. Vegetation experiments were inserted in four variants in 4 repetitions. The experiment was carried out according to the Neubauer - Schneider method. Bacillus subtilis (Subtilbene), which was used in our experiments, was provided by the Veterinary Institute of TAAS. The difference in plant growth is significant in cases when phosphorite flour and soaked seeds in a solution of Bacillus subtilis were added to the soil. In this variant, the increase in comparison with the control experiment is 17.5 cm for wheat and 28.5 cm for rye, respectively. This increase is because microorganisms process phosphorus-containing organic compounds, such as phytin, phospholipids and nucleoproteins.