Abstract
Plant photosynthesis is strongly influenced by light, carbon dioxide, the availability of water and nutrients found in the soil. In this study, LED light combined with gambelan music Gong Kebyar was applied to pakcoy plants to see its effect on growth and productivity. The LED light that was applied is white, red-blue, and red-white-blue LED light, which is given for 20 hours from 06.00 to 02.00. Gamelan music Gong Kebyar is applied for 3 hours, from 06.00 to 12.00. Variables observed included plant height, canopy area, leaf greenery, root length, and plant biomass. The results showed that white LED light had a negative effect, while the red-blue LED, and red-white-blue light had a positive effect on the growth and productivity of Pakcoy mustard. The use of red-blue LED light combined with gamelan music Gong Kebyar gave the highest value on plant height (27,176 cm), canopy area (1457.59 cm2), leaf greenery (160.03), root length (23.6 cm), and plant biomass (5.05 g). It can be concluded that the use of red-blue LED light combined with gamelan music Gong Kebyar increases the growth and productivity of pakcoy mustard.
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