Velit I. Increase of energetic effectiveness and environmental safety of high-intensity sources of light for vegetable cultivation under protected ground

Object of investigation - processes influenced the changing of spectral distribution and light effectiveness of high pressured discharge lamps for light supplementation of plants; objective - increasing of power efficiency of high pressured light sources for cultivation of plants in protected ground conditions; methods of investigation - differential - thermal analysis, spectral, optical and electrical measurements, spectrophotometric, mathematical statistics; have been developed - high pressured natrium - cesium lamp for cultivation of vegetables in in protected ground conditions; have been applied - high pressured lamps with the components of cesium on "Gas Discharge Lamps" plant, LLC, in hothouse farming for conditions of intensive supplementary of tomato; area of application - hothouses, stoves.