Scientists Successfully Grow Chickpeas in Simulated Lunar Soil

Scientists at Texas A&M University have achieved a milestone in space agriculture by successfully growing chickpeas in soil mixtures containing up to 75% simulated lunar regolith. This development could play a crucial role in sustaining future lunar missions.

The research team, led by doctoral candidate Jessica Atkin, utilized a chickpea variety known as "Myles." The seeds were coated with arbuscular mycorrhizal fungi, which aid in nutrient absorption and mitigate soil toxicity. They were then planted in a combination of simulated lunar soil and vermicompost—a nutrient-rich material produced by earthworms. This approach resulted in the successful cultivation of chickpeas, even in challenging extraterrestrial conditions.

The study found that while chickpeas could grow in soil mixtures with up to 75% lunar simulant, higher concentrations led to reduced yields. Seeds planted in 100% lunar simulant failed to produce flowers or seeds, experiencing early death.

This research offers promising insights into sustainable food production for long-term lunar missions, potentially reducing reliance on Earth-based supplies. The findings were published in the journal Scientific Reports.