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Can Plants Grow on Mars and the Moon: A Growth Experiment on Mars and Moon Soil Simulants

机译:可否在火星和月球上生长植物:火星和月球土壤模拟物的生长实验

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摘要

When humans will settle on the moon or Mars they will have to eat there. Food may be flown in. An alternative could be to cultivate plants at the site itself, preferably in native soils. We report on the first large-scale controlled experiment to investigate the possibility of growing plants in Mars and moon soil simulants. The results show that plants are able to germinate and grow on both Martian and moon soil simulant for a period of 50 days without any addition of nutrients. Growth and flowering on Mars regolith simulant was much better than on moon regolith simulant and even slightly better than on our control nutrient poor river soil. Reflexed stonecrop (a wild plant); the crops tomato, wheat, and cress; and the green manure species field mustard performed particularly well. The latter three flowered, and cress and field mustard also produced seeds. Our results show that in principle it is possible to grow crops and other plant species in Martian and Lunar soil simulants. However, many questions remain about the simulants' water carrying capacity and other physical characteristics and also whether the simulants are representative of the real soils.
机译:当人类将在月球或火星上定居时,他们将不得不在月球上吃饭。可以空运食物。另一种选择是在现场本身,最好是在天然土壤中种植植物。我们报告了第一个大规模对照实验,以研究在火星和月球土壤模拟物中生长植物的可能性。结果表明,在没有添加任何营养的情况下,植物能够在火星和月球土壤模拟物上发芽和生长长达50天。火星重砂岩模拟物的生长和开花比月球重砂岩模拟物的生长和开花要好得多,甚至比我们控制的营养不良的河道土壤还要好。反射景天属(野生植物);农作物西红柿,小麦和水芹;绿肥种芥末表现特别好。后三者开花,水芹和芥末也产生了种子。我们的结果表明,原则上可以在火星和月球土壤模拟物中种植农作物和其他植物。然而,关于模拟物的载水能力和其他物理特性,以及模拟物是否代表真实的土壤,仍然存在许多问题。

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