EN
The presented paper estimates the reaction of grain maize to the foliar application of Biochikol 020 PC biostimulator. In the years 2005–2007, on a light soil, four experimental plots were compared: A – control; B – 2x Biochikol 020 PC; C – set of foliar fertilizers Ekosol (3 sprayings); D – 2x Biochikol 020 PC + Ekosol (treatments I and III applied together). Biostimultor Biochikol 020 PC, as well as the studied set of foliar fertilizers of Ekosol type did not exert any influence on the course of maize vegetation, on the plant quantity and on the development of their ears. Also, no effect was found to be exerted on the grain yield and on any changes in the grain moisture and its yield. The studied experimental plots did not show any occurrence of pests or maize diseases.