Factor·nasa
Elevated magnesium sulfate in soil
High levels of hydrated magnesium sulfate (MgSO4·7H2O) in soil, as found in Martian regolith, which may be highly inhibitory to plant growth.
Confidence
90%
active
Source
Visscher AM et al. (2010). Growth Performance and Root Transcriptome Remodeling of Arabidopsis in Response to Mars-Like Levels of Magnesium Sulfate doi:10.1371/journal.pone.0012348 ↗