Mars gardens simulation | Wieger Wamelink

Earthworms Appear to Be Thriving in Simulated Martian Soil

Worms could help future Red Planet settlers to cultivate crops by aerating soil and breaking down organic material into vital nutrients for plants.

Illustration of potential appearance of a closed agricultural ecosystem on Mars | Wageningen University and Research Center
Simulated "Martian gardens" allow NASA scientists to test which plants can be grown on Mars. This photo shows the results of a preliminary study on lettuce. From left to right: lettuce seeds grown in potting soil, the Martian simulant with added nutrients, and the simulant without nutrients. | Dimitri Gerondidakis/NASA