ATR 15-0-5+(9MgO)+ME is a blended NK fertilizer containing nitrogen, potassium, magnesium and trace elements. Its nitrate and urea nitrogen forms support balanced plant nutrition and growth processes, while potassium contributes to crop quality, plant strength and yield formation. Magnesium plays an important role in chlorophyll formation and photosynthesis, while manganese and zinc provide complementary support for plant metabolism, enzyme activity and healthy crop development.