To visualise the effect of biologically active fertilizer to root grow, the sunflower (genus Helianthus) seeds were placed in a rhizobox filled with the dirt. On the right part of rhizobox were Control sunflower seeds and on the left side were sunflower seeds soaked in biologically active fertilizer for 12 hours. Sunflower seeds were grown in rhizobox for 12 days. upper part of dirt was compressed to much and this was a reason why seeds did not break the surface.