For their experiment, the scientists ordered piles of fake Mars - TopicsExpress



          

For their experiment, the scientists ordered piles of fake Mars and Moon soil, then scooped them into small pots and planted 14 different species inside -- including carrots, tomatoes, wheat, some common weeds, and four species that turn atmospheric nitrogen into plant food. The scientists also planted seeds in some nutrient-poor soil that they dug up from 30 feet below the river Rhine, for comparison. All in all, they planted 840 pots.
Posted on: Sat, 13 Sep 2014 16:16:38 +0000

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