Maximum Yield USA May 2017 | Page 26

i maxfacts growing news, tips, & trivia Potato Research Crucial to Life On Mars Before it can send astronauts to Mars, NASA needs to figure out how to feed them there. To work that out, the US space agency teamed up with a research group in Peru focused exclusively on spud research. The International Potato Center (known by its Spanish acronym, CIP), is dedicated to understanding how tubers like potatoes can grow and eventually feed everyone here on Earth—but also potentially space travelers to Mars. Last week, CIP announced that after a year, it had been able to successfully grow potatoes in a plot of land engineered to mimic Mars’ harsh environment. “We want to know what the minimum conditions are that a potato needs to survive,” said Julio Valdivia-Silva, a University of Engineering and Technology-Lima engineer who worked on the “Potatoes on Mars” project. In February 2016, engineers created a small plot of land imitating a version of Martian climate where plants could possibly grow. After a year, the team reported they had successfully grown a small crop of potatoes—meaning they could probably grow on Mars, too. - qz.com Military-grade Technology to Monitor Eggplants Rather Than Explosives On a rooftop in the Jewish-Arab Tel Aviv neighbourhood of Jaffa, Israel, a former military technologist and an ex-journalist sit in a transparent bio-dome where their robot is busy learning how to grow food. Flux IoT’s Eddy, a robot measuring less than a foot tall and resembling a life buoy, is built with military-grade sensors and armed with image-processing technology. Its inventors intend it to become the industry standard for commercial and amateur indoor farmers who want to grow pesticide-free, water- efficient crops via hydroponics. Eddy sits in the growing reservoir, and users can stay updated on their crops’ progress via a mobile app, where information gleaned from fellow farmers can help them know when to change the lighting or add nutrients. Thieme Hennis, head of the Space Farm Collective, is testing out Eddy to see how it might help a citizen science project called Watch Me Grow, aimed at finding plants that will grow best in space, and improve ways even the public can grow their own food on Earth. - stuff.co.nz Researchers Use Infrared Light to Explore Fungal Associations Tiny strands of fungi weave through the roots of an estimated nine out of 10 plants on Earth, an underground symbiosis in which the plant gives the fungus pre-made sugars and the fungus sends the plant basic nutrients in return. Scientists at Stony Brook University, the US Department of Energy’s Brookhaven National Laboratory, and the University of Alabama, among others, are interested in enhancing this mechanism as a way to help plants grow on nutrient-poor lands. Their success could lead to increased production of plant-based biofuels without having to compete with food crops for fertile farmland. “We use an infrared microscope to follow the distribution of nutrients such as nitrogen and carbon within the plant’s rhizosphere, which is the section of soil closest to the plants roots, to try to understand how the fungus actually changes this nutrient distribution to facilitate the plant’s growth,” explains Tiffany Victor, a PhD student from Stony Brook University. - phys.org 24 tapped in