BioFil, PK — this is a microbiological fertilizer containing such microorganisms as Pseudomonas jessenii, Arthrobacter crystallopoietes, Kocuria rosea, Azospirillum brasilense and Azospirillum largimobile at a concentration of 0.8%. The product is designed for use on fields intended for planting agricultural crops. It helps restore and activate soil microbiota, which may improve plant growth conditions. The product belongs to the category of organic fertilizers and is a biologically active substance that can be beneficial for agriculture. It does not contain traditional mineral components such as nitrogen, phosphorus or potassium, making it unique compared to conventional fertilizers. BioFil, PK is produced by the company Trade House «Agriild», which registered the product on April 26, 2017, under registration number 10600. The product may be applied within various agronomic practices aimed at improving soil quality and increasing crop yields.