Vegetable garden on Moon comes closer to reality

Washington, Sep 16 (ANI): With no air, no water, poor soil, extreme heat and cold, deadly cosmic rays, the atmosphere on the moon doesn't look suitable to grow crops, but researchers are weighing the possibilities of having "lunar greenhouses" on Earth's satellite when they succeed in colonizing the moon.

In fact, in the frozen tundra of Antarctica and the windowless backroom laboratories of the University of Arizona, prototype moon gardens are bursting with greenery, reports Discovery News.

Water-cooled sodium vapour lamps flood enclosures with artificial sunshine, while plants are bathed in a nutrient-rich broth.

Designed and built by Phil Sadler of Sadler Machine Co. and a team of researchers at the University of Arizona in Tucson, the University's laboratory garden is just underway.

It's relatively small- it sports 220 pounds of wet plant material, and you can imagine how much one fruit tree or a whole bunch of tomato plants would weigh by comparison- but it consumes carbon dioxide, spits out oxygen, and produces produces about 13 gallons of drinkable water every day (in a working extraterrestrial garden, water would largely come from crew members' urine).

In short, the system recycles everything. That makes it an attractive option for any resource-scarce environment, even here on Earth.

Gene Giacomelli, head of the U of A's prototype, said it could be just as useful for growing crops in places where agricultural land is non-existent, like urban centers.

"There's great interest in providing locally grown, fresh food in cities, for growing food right where masses of people are living. It's the idea of growing high-quality fresh food that only has to be transported very short distances. There also would be a sense of agriculture returning to the everyday lives of urban dwellers," said Giacomelli.

Of course, the idea of hydroponic urban gardens isn't new. But the team's progress is pushing the practice of growing food towards being a totally self-sufficient process.

It can even be set to autopilot-the lunar greenhouse can be tended by someone on site, remotely via web cam, or left to a computer green thumb that controls the environment via an array of sensors. (ANI)

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