Impact of Humic Substances and LED Lighting on Tomato Yield and Quality

A recent study published in HortScience examined the effects of humic substances (HS) and various light-emitting diode (LED) light treatments on tomato transplant growth and subsequent fruit yield and quality. The research demonstrated that the application of solid HS enhanced seedling growth metrics, including shoot and root dry weight and total root area, particularly under a 50 blue (B) to 50 red (R) light ratio. Despite significant improvements in transplant growth, these benefits did not consistently carry over to increased fruit yield or quality after transplanting. While certain combinations of HS and LED light showed promise, the study concluded that the enhanced growth did not always translate into better fruit outcomes, with only specific conditions yielding notable improvements in fruit traits like lycopene content. The findings highlight the complexities of achieving desired results in crop production through pre-planting treatments.

Impact of Humic Substances and LED Lighting on Tomato Yield and Quality

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