IRRADIATION ENERGY EFFICIENT IRRADIATORS FOR GROWING PLANTS IN GREENHOUSES
Abstract
The research results of plants irradiation conditions in the indoor ground are presented. The energy-saving irradiators were chosen and the irradiation spectrums of used devices have been presented. The “Flora” – type mini-greenhouses were chosen for the experiments. Two types of irradiated devices were used. They were formed from the compact luminescent lamps of Оsram Duluxstar 18W – type and red and blue LED of MTK – type. The possibility to use the energy-saving and semi-conductors light sources has broadened the possibilities of their application in the lightculture and the effect of their irradiation on plants growth in the indoor ground is actual.Two levels of irradiation were provided: 3000 lux and 5200 lux. The seeds of Shady Lady F1 tomato cultivar and the seeds of Claudio F1 pepper cultivar were grown. The measuring of plants growth was held under 16-hour light regime and constant temperature of the environment. The comparative characteristics of different irradiating conditions are presented. It was determined that even 2 times less radiation level indicators mostly do not concede under irradiation parameters CFL, LED and power consumption is 5 times lower.Taking into account all mentioned above it is reasonable to use combined luminescent lamps.Keywords: LED irradiation device photoculture, compact fluorescent lamp.
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