the utility model is a device to magnetostymulacji fruit and vegetables variable magnetic field during their growth and maturation, especially when their full biological activity.a device containing a cylindrical body (1) situated on phase winding coils (2) interconnected in series, is characterized by the fact that the corps (1) has an internal diameter of (d) of at least 30 cm and a coil (2), each of which contains preferably 10 scrolls (3). ch with copper wire diameter minimum 0.2 mm, in coils (2) are apart from each other a minimum of 30 cm.between these cewkami corps (1) are made cutting (4) forming spaces for placing magnetystymulowanych facilities. besides, the device (1) is connected with the base (5).