Control the development of parish disease (Venturia inaequalis) by feeding apple

In order to further improve apple cultivation, test new high-yielding high-quality apple varieties and their widespread use. Introduction into production, the use of advanced agronomic measures, the use of protective methods, the fight against the development of parsnip disease as a result of the use of the natural strain of Azotobacter chroococcum K1 and pure nitrogen (N), which has the ability to prevent and treat the disease in the fight against diseases of apple trees.