Space planting inseparable LED Grow Lights

August 2015, stationed at the International Space Station NASA astronauts in space to show their pride crop: sprawling red radish vegetables. The sprawling red radish vegetables from the orbiting laboratory's "Veggie" planting vegetable growing system.

The lettuce seeds in the July 8 by the astronaut Scott Kelly planted, cultivate these seeds called Veggie bed in plant breeding system long as, unlike plants on Earth can directly absorb sunlight for photosynthesis, these plants Only able to grow under the irradiation of red, blue and green LED lights.

They stay in the Veg-01 planters in the 33 days, the light box is equipped with red, green and blue LED lights. Red and blue are spectrum in the most important part of photosynthesis, green virtually no use, but even in space, will sell food is still very important. In order to avoid producing too crazy purple space plant, engineers Veg-01 behind the decision to join the green.

Ray Wheeler further explained that: "the blue and red wavelengths of light to meet the minimum requirements for normal growth of plants and the green LED light is only used to make the plant look more likely to be accepted humanity, itself is not blue, red that. indispensable. "