Tea on the moon? English team discovers how to grow tea in lunar soil

Growing tea on the moon is no longer just science fiction. A group of scientists from the University of Kent has managed to grow plants in an artificial substrate that mimics the conditions of lunar soil. The trial could change our point of view on life in space, while giving us new tools to cope with climate change on Earth.

Successful experiment

The project originated with a very concrete goal: to understand how to feed astronauts during extended stays on the moon or Mars, where environmental conditions are extreme and miles away from those on Earth. The research is led by Professor Nigel Mason, who specializes in physics, and Dr. Sara Lopez-Gomollon, a biologist with a specialization in plants. Together with two other researchers, Anna-Maria Wirth and Florence Grant, they planted tea plants in different types of artificial substrates.

One of the substrates was designed to mimic lunar soil, another simulated Martian soil and a third acted as a control under terrestrial conditions. The plants were then raised in an environment with temperature, light intensity and humidity similar to those on the moon.

The plants in the 'lunar soil' grew well, formed roots and developed leaves. In contrast, the specimens in the Martian soil did not survive. This shows that cultivation on our natural satellite could be possible, while for now, the challenges on Mars remain too great.

The study was made possible thanks, in part, to collaboration with others, including the Dartmoor Tea plantation in the United Kingdom, production company Lightcurve Films, which focuses on scientific documentaries, and the research network Europlanet, which brings together planetary scientists from across Europe.

Why is this experiment also important for those living on Earth

At first glance, it seems a somewhat curious, perhaps even eccentric experiment. But in reality, the implications are very serious and concrete. After all, beyond the future prospect of space missions, studies like this can also teach us a lot about agriculture in difficult conditions on Earth.

As climate change and intensive use of agricultural land increase, it's becoming increasingly urgent to find solutions for cultivation under extreme conditions. Testing plant growth in 'frontier areas' such as lunar or martian soils can provide useful models for cultivation in arid or degraded regions of our planet.

As Professor Mason emphasized, "We are only at the beginning of research into agriculture in space, but it's encouraging to know that we may be able to secure one of Britain's most beloved traditions - the tea break - beyond our planet."

The project was presented at the Space Agriculture Workshop in Bratislava, an international gathering of researchers considering how to produce food in space, with an eye toward future human settlements on the moon or other planets.

(MP/©University of Kent via GreenMe.it/translation and adaptation: The Global Nature/Illustration: Vinay Tryambake via Unsplash)