The application of DDW on sunflower plants determines an increase in biomass accumulation. The biomass accumulation results were expressed as % comparing withthe control sample. It was observed that in the presence of DDWroot biomass increase with 69.45% comparing with roots biomassregistered in the case of control sample. When DDW was appliedin the soil then stem, leaf, calathidia, seeds biomass increase with12.92%, 44.47%, 19.22%, 59.61% comparing with the values regis-tered in the presence of water (control sample). When the DDW isapplied in combination with SBPE, sunflower plant biomass accu-mulation was much higher than those registered for the controlsample. The stimulation percentages registered for each part of theplant are the following: 141.17% – root, 94.02% – stem, 95.09% –leaf, 40.39% – calathidia, 83.06% – seeds.