Articles on Plant growth

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Pulses of light followed by extended dark periods might help make indoor agricultural production more sustainable. DutchScenery/Shutterstock.com

Micro-naps for plants: Flicking the lights on and off can save energy without hurting indoor agriculture harvests

Indoor plant factories have high energy costs since LEDs replace the sunlight outdoor plants get for free. Scientists found a way to dial back how much light is needed by breaking it into tiny bursts.
The short answer is that leaves fall off trees when they aren’t doing their job any more. Emily Nunell/The Conversation CC-NY-BD

Curious Kids: why do leaves fall off trees?

Leaves fall off trees when they aren’t doing their job any more. If there isn’t enough water, the leaf can be damaged and stop working.
Light-emitting diodes (LEDs) used in medical devices and for growing plants, like potatoes seen here, are used by NASA to grow plants in space. The U.S. space agency plans to grow food on future spacecraft and on other planets as a food supplement for astronauts. NASA

Improving upon the sun: LED lights fuel plant growth in space

LED lights can actually improve upon the sun and help grow plants in space. A Canadian team of researchers is helping to refine and perfect LED technology.
Rivers in many agriculturally significant areas of Australia could lose water as the landscape grows greener. Kerry Raymond/Wikimedia Commons

River flows drop as carbon dioxide creates thirstier plants

Rising carbon dioxide levels are making plants grow faster, sucking up more water and reducing river flows in many agriculturally important areas of Australia, according to new research.

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