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@ma235camb More story: https://t.co/DNqp5BJEj4
@ma235camb More story: https://t.co/DNqp5BJEj4
It's #WorldSoilDay today. Soils are important resource reservoir and anchor for plants in our earth. They are also vulnerable to degradation and pollution. Future space settlements (e.g. moon, Mars) would need to use existing soil. @ma235camb https://…