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The experiments with artificial lighting of vegetable seedlings using different type of lamps were carried out on tomato cultivar ‘Debut’ and cucumber ‘Kafkas’, in the period from November 2015 to January 2016. Seedlings were grown in growth compartments with controlled climate (temperature, light, photoperiod) and then in a greenhouse. For plant lighting the 400 W HPS lamps, and two variants of LED's...
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