The purpose of the present study was to evaluate the effects of different light treatments on biomass. nutrient concentrations and physiological parameters of Fittonia verschaffeltii (Lem) Van Houtte. The aim was to establish a methodology to evaluate the effect of photosynthetically active radiation (PAR) emitted by lamps on biomass. The light treatments used were tube luminescent Du... https://jalyttlers.shop/product-category/flush-ceiling-light/