the protection against pests and pathogens biodegradable substrates for non soil bound systems protected crops, is that the mixture of raw materials for the substrate, the finely ground pa u017adzierza hemp derived in the process dekortykacji not roszonej hemp straw in yl in 5 to 8% by weight in relation to the weight of the substrate, after which the light made of uv rays.in a continuous process, with the intensity of radiation at a wavelength of from 250 to 265 nm and the time of not less than 5 seconds.subsequently, the mixture of alcohol - water moistens emulsion essential oil of hemp, which contains at least 0.1% to 20% of ethyl alcohol, completed to 100% water aerozolow u0105 and apply should be minimum 50 ml alcohol - water emulsion essential oil on one k ilogram compound raw material and further subjected to formation.