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La Serra & LettUs Grow partner in tomato trials

UK grower trials aeroponic propagation system

Commercial greenhouse growers La Serra and indoor farming technology provider LettUs Grow have partnered to conduct tomato propagation trials. The first aeroponic trials were conducted in LettUs Grow’s aeroponic research center in Bristol and the first round of transplants are now being monitored in La Serra’s greenhouses in Pershore. The aim of the trials is to improve the quality, consistency, and sustainability of tomato plant propagation.

La Serra is a winter grower and currently harvest tomatoes nine months of the year. By working with LettUs Grow, they are aiming to extend their harvesting season by allowing their picking to start earlier in the year. LettUs Grow’s aeroponic technology allows crops to grow up to twice as fast as hydroponic systems, which are more often seen in greenhouse settings. 

The transplants were cultivated from seed using LettUs Grow’s aeroponic system in a fully controlled vertical farm environment. After approximately 30 days in aeroponics, when the first flowering trusses were visible and the stems were approximately 30cm tall, the crops were transplanted into the La Serra greenhouse. When transplanted into the greenhouse they were moved onto a hydroponic nutrient film technique system. LettUs Grow’s transplants will be compared against La Serra’s standard transplants inside the greenhouse. Plant relative performances are being compared and monitored closely. 

These commercial greenhouse trials follow after LettUs Grow partnered with Harper Adams University to research different technologies and irrigation systems within the greenhouse and vertical farming settings.

The first trial is showing good results, with an impressive rate of root growth in the transplants from the aeroponic system. Nick Arnst, General Manager at La Serra says “the plants that arrived from LettUs Grow had significant root development when compared to our conventional propagated plants. For us, the root system is key in the setting up of our crops for the year, and the aeroponic system developed by LettUs Grow has shown the benefits of strong healthy roots.”

There has also been evidence early on that LettUs Grow’s aeroponic technology has reduced propagation time, which could result in more harvests per year for tomato growers using the system. Currently, the greenhouse farming industry uses 40,000 ha of land globally, estimated to be increasing 5% per annum, so improving the efficiency and environmental impact of growing on this scale would have a huge impact on global food production.

Charlie Guy, CEO, and co-founder of LettUs Grow, says “utilizing aeroponic technology within the different greenhouse and propagation settings could increase the amount of food we can produce in greenhouses, whilst also using fewer resources. Boosting food security and the UK’s ability to grow crops such as tomatoes would also reduce our dependence on imports.” 

For more information:
LettUs Grow
info@lettusgrow.com 
lettusgrow.com
 
 
La Serra

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