Mr. Thach Kim Son checks the growth of dragon fruit.
Since 2017, thanks to the transfer of science and technology from Farmers' Associations at all levels, coordination with other sectors, and experience in "cheating" the time of burning lamps, specifically turning on and off lights and connecting bulbs in parallel, Mr. Thach Kim Son has saved 400,000 - 500,000 VND of electricity each month.
Mr. Thach Kim Son currently has 0.25 hectares of dragon fruit bearing fruit. In the early years, his dragon fruit growing encountered many difficulties, especially when calculating the time for using lights/flowering stimulation (3 times/year), the appropriate time and duration (average 12-15 nights of lights/flowering period) to stimulate flowering, produce the most fruit, how to care for, fertilize, water, etc.
After a period of working with dragon fruit trees and from practice... up to now, Mr. Thach Kim Son has accumulated a lot of experience; of which 04 experiences have been effectively applied by many gardeners in Dau Giong hamlet, Phuong Thanh commune:
Firstly, also using 12W LED lights, 200 bulbs/2.5ha, but Mr. Son "cheated" on the time, instead of turning on at 6pm and turning off at 5am, he turned on 15 minutes later and turned off 15 minutes earlier. Thanks to that, each day the lights were reduced by 30 minutes but the dragon fruit still stimulated flowering, fruiting and ensured high productivity like other dragon fruit gardens in Dau Giong hamlet.
Second, according to Mr. Thach Kim Son, the bulbs for the dragon fruit should not be connected in series, but in parallel. Specifically, in a dragon fruit garden, there should be main wires, then the auxiliary wires connecting the bulbs to the dragon fruit. If a wire is connected in series, stretching across the dragon fruit garden, the bulbs at the end of the source will have weak current, the light will often be weak, the dragon fruit will produce less flowers, and a lot of electricity will be wasted due to loss.
Third, you should change the position of the light bulb. This season, the dragon fruit pole will bear fruit in the direction of the light bulb. If you do not change and place the light bulb in the same position, the next season the dragon fruit pole will not produce flowers and the yield will be low...
Fourth, to ensure safety and prolong the life of the line, the wire should be installed first. When the correct position for the bulb is determined, the bulb should be installed. Do not change the desired location to avoid removing or moving the bulb, damaging the wire, damaging the wire sheath, and being unsafe.
With the above 4 experiences, including "cheating" on-off time and connecting bulbs in parallel, each time stimulating flowering, Mr. Thach Kim Son saved 400,000 - 500,000 VND in electricity.
Article and photos: TRUONG NGUYEN
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