Use of Combined Irradiation in Grow Light
Effective cultivation of plants with grow light is possible only under optical radiation of a certain spectral composition. The cheapest way to generate optical radiation is with the help of high pressure sodium lamps. However, their spectral composition is not fully acceptable for grow light. LEDs...
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| Format: | Article |
| Language: | Russian |
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Federal Scientific Agroengineering Centre VIM
2020-06-01
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| Series: | Сельскохозяйственные машины и технологии |
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| Online Access: | https://www.vimsmit.com/jour/article/view/381 |
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| author | S. A. Rakutko E. N. Rakutko M. R. Ayupov |
| author_facet | S. A. Rakutko E. N. Rakutko M. R. Ayupov |
| author_sort | S. A. Rakutko |
| collection | DOAJ |
| description | Effective cultivation of plants with grow light is possible only under optical radiation of a certain spectral composition. The cheapest way to generate optical radiation is with the help of high pressure sodium lamps. However, their spectral composition is not fully acceptable for grow light. LEDs allow you to set almost any spectrum, but their cost is quite high.(Research purpose) To prove the spectral composition of the LED emitter-corrector used in grow light in addition to sodium lamps theoretically and practically.(Materials and methods) The authors experimentally studied the effectiveness of combined irradiation in the Laboratory of Energy Ecology of Grow Light at the Institute of Agroengineering and Environmental Problems of Agricultural Production under the irradiation of Blagovest tomato seedlings. They investigated the biometric indicators of plants. The production experiment was carried out in the greenhouse plant Mezhvidi (Latvia) on adult Encore tomato plants for three options: the first – under sodium lamps; the second – with LED irradiators; the third – with a combination of sodium lamps and corrector. The effect of the irradiator on the plants was evaluated by the magnitude of the fluctuating asymmetry of bilateral signs of the leaf blade.(Results and discussion) The authors found out that the use of the corrector improved the seedlings biometric parameters: increased the number of leaves, their wet weight, the content of chlorophyll and dry substance in them. It was noted that in the greenhouse the least favorable light environment was formed under sodium lamps, and LED irradiators created more comfortable conditions. They confirmed that the use of a corrector provided the best light environment. They revealed an increase in the yield of tomato fruits and their taste when using combined irradiation.(Conclusions) The authors proved that to correct the spectrum of HPS lamp 400, a corrector photon flux of 71.2 micromoles per second is required, while the ratio of blue and far-red LEDs fluxes should be 64 and 36 percent respectively. |
| format | Article |
| id | doaj-art-dd597fcf86c74a93878e5ddbaa76b7ee |
| institution | DOAJ |
| issn | 2073-7599 |
| language | Russian |
| publishDate | 2020-06-01 |
| publisher | Federal Scientific Agroengineering Centre VIM |
| record_format | Article |
| series | Сельскохозяйственные машины и технологии |
| spelling | doaj-art-dd597fcf86c74a93878e5ddbaa76b7ee2025-08-20T03:23:15ZrusFederal Scientific Agroengineering Centre VIMСельскохозяйственные машины и технологии2073-75992020-06-01142465210.22314/2073-7599-2020-14-2-46-52338Use of Combined Irradiation in Grow LightS. A. Rakutko0E. N. Rakutko1M. R. Ayupov2Institute of Agroengineering and Environmental Problems of Agricultural Production – a branch of the Federal Scientific Agroengineering Center VIM Institute of Agroengineering and Environmental Problems of Agricultural Production – a branch of the Federal Scientific Agroengineering Center VIMInstitute of Agroengineering and Environmental Problems of Agricultural Production – a branch of the Federal Scientific Agroengineering Center VIMScientific-production association «Pskovagroinnovatsii»Effective cultivation of plants with grow light is possible only under optical radiation of a certain spectral composition. The cheapest way to generate optical radiation is with the help of high pressure sodium lamps. However, their spectral composition is not fully acceptable for grow light. LEDs allow you to set almost any spectrum, but their cost is quite high.(Research purpose) To prove the spectral composition of the LED emitter-corrector used in grow light in addition to sodium lamps theoretically and practically.(Materials and methods) The authors experimentally studied the effectiveness of combined irradiation in the Laboratory of Energy Ecology of Grow Light at the Institute of Agroengineering and Environmental Problems of Agricultural Production under the irradiation of Blagovest tomato seedlings. They investigated the biometric indicators of plants. The production experiment was carried out in the greenhouse plant Mezhvidi (Latvia) on adult Encore tomato plants for three options: the first – under sodium lamps; the second – with LED irradiators; the third – with a combination of sodium lamps and corrector. The effect of the irradiator on the plants was evaluated by the magnitude of the fluctuating asymmetry of bilateral signs of the leaf blade.(Results and discussion) The authors found out that the use of the corrector improved the seedlings biometric parameters: increased the number of leaves, their wet weight, the content of chlorophyll and dry substance in them. It was noted that in the greenhouse the least favorable light environment was formed under sodium lamps, and LED irradiators created more comfortable conditions. They confirmed that the use of a corrector provided the best light environment. They revealed an increase in the yield of tomato fruits and their taste when using combined irradiation.(Conclusions) The authors proved that to correct the spectrum of HPS lamp 400, a corrector photon flux of 71.2 micromoles per second is required, while the ratio of blue and far-red LEDs fluxes should be 64 and 36 percent respectively.https://www.vimsmit.com/jour/article/view/381тепличное производство овощейсветокультураосвещение в теплицахсветодиодные облучателикомбинированное облучение томатовнатриевая лампасветодиод. |
| spellingShingle | S. A. Rakutko E. N. Rakutko M. R. Ayupov Use of Combined Irradiation in Grow Light Сельскохозяйственные машины и технологии тепличное производство овощей светокультура освещение в теплицах светодиодные облучатели комбинированное облучение томатов натриевая лампа светодиод. |
| title | Use of Combined Irradiation in Grow Light |
| title_full | Use of Combined Irradiation in Grow Light |
| title_fullStr | Use of Combined Irradiation in Grow Light |
| title_full_unstemmed | Use of Combined Irradiation in Grow Light |
| title_short | Use of Combined Irradiation in Grow Light |
| title_sort | use of combined irradiation in grow light |
| topic | тепличное производство овощей светокультура освещение в теплицах светодиодные облучатели комбинированное облучение томатов натриевая лампа светодиод. |
| url | https://www.vimsmit.com/jour/article/view/381 |
| work_keys_str_mv | AT sarakutko useofcombinedirradiationingrowlight AT enrakutko useofcombinedirradiationingrowlight AT mrayupov useofcombinedirradiationingrowlight |