BIOPREPARATION "BIAVA" FOR RECULTIVATION OF SOIL, METHOD FOR ITS PREPARING

FIELD: agriculture, microbiology. ^ SUBSTANCE: invention relates to agents used for recovery of soil rich and discloses a method for it preparing also. The biopreparation comprises a porous carrier based on glass-like meta-phosphates and physiologically active microorganisms immobilized into pores of carrier artificially. The biopreparation comprises foamed glass-like silicophosphates with transient composite and non-uniform structure as an active grain carrier with density 1.5-1.9 g/cm3 with communicating pores. As physiologically active microorganisms method involves using the following enumerated ones: proteolytic and amylolytic microorganisms - Pseudomonas, Bacillus, Micrococcus, Spirillum; actinomyces - Streptomyces, Streptoverticillium, Actinomadura, Nocardiopsis; nitrogen-fixing microorganisms - Azotobacter, Aerobacter, Achromobacter; cellulose-decomposing and humus-decomposing microorganisms - Trichoderma, Rhizoctonia, Cytophaga, Sporangium, Cellovibrio; denitrifiers - Aerobacter, Micrococcus. Method for preparing the biopreparation involves submerged culturing microorganisms in liquid nutrient medium, preparing a sterile carrier, surface culturing and impregnation form microorganisms in solution on a carrier. ^ EFFECT: improved preparing method, valuable properties of biopreparation. ^ 3 cl, 5 tbl, 3 ex