Once we've overcome all the challenges involved in getting to Mars, we'll then have to figure out how to make life sustainable there – and growing and cultivating crops is going to be a major part of that.
, researchers have determined, and could be then used as fertilizer to grow food like turnips, radishes and lettuce.
Getting an exact match for the regolith on Mars is tricky, but the researchers put together the best approximation they could, before testing different seeds in it. Simulated Martian regolith was then tested with alfalfa added as a fertilizer. Turnips, radishes and lettuces – three plants that require little in the way of maintenance, grow quickly, and don't need much water – were all grown successfully.the briny water available on Mars
"For the first time, we report an integrated use of a biofertilizer and microbe for effective treatment of basaltic regolith soil and briny water simulants, respectively, for suitable resources that sustain plant growth,"There are lots of questions still to answer, not least how accurately we can mimic the Martian soil down here on Earth. It's likely that when we do finally make it to the red planet, the surface regolith won't be exactly as we supposed it to be.
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