With lunar missions looming, scientists grow chickpeas in 'moon dirt'

If the thought of lunar hummus seems far-fetched, deliberation again. Scientists moving to cultivate the tract of extraterrestrial agriculture person grown chickpeas successful ungraded made mostly of simulated lunar soil, a measurement toward enabling astronauts connected ‌long-term satellite missions to nutrient their ain food.

Researchers said harvestable chickpeas were grown successful ungraded mixtures composed chiefly of “moon dirt” modelled aft lunar samples retrieved during NASA’s Apollo missions much than fractional a period ago.

Chickpeas of a assortment called “Myles” were raised successful a climate-controlled maturation enclosure astatine Texas A&M University. Seeds were coated with beneficial fungi and planted successful a premix of the simulated lunar soil, made by Florida-based institution Space Resource Technologies, and a nutrient-rich substance called vermicompost produced erstwhile earthworms interruption down ‌organic waste.

Harvestable chickpeas grew successful ungraded mixtures of up to 75% lunar simulant. As the percent of simulated satellite ungraded — known arsenic regolith — increased, the fig of harvestable chickpeas decreased, though the size of the chickpeas ‌remained stable. Seeds planted successful 100% lunar simulant failed to nutrient flowers and seeds, experiencing aboriginal death.

The United States and ‌China person plans to nonstop astronauts backmost to the lunar aboveground successful the coming years, with an oculus toward semipermanent bases connected the moon.

“Chickpeas are precocious successful macromolecule and different indispensable nutrients, making them a beardown campaigner for abstraction harvest production,” said Jessica Atkin, a doctoral campaigner and NASA chap astatine Texas A&M’s Department of Soil and Crop Sciences, pb writer of the probe published connected Thursday (March 5, 2026) successful the diary Scientific Reports.

A section nutrient root is considered captious to sustaining ‌people staffing satellite bases due to the fact that of the impracticality of transporting each needed nutrient from Earth.

“In our extremity toward establishing a lunar beingness — oregon 1 connected Mars — we volition request to larn however to turn nutrient connected the moon, since it volition not beryllium sustainable to vessel nutrient successful spaceships. This is due to the fact that it is inactive rather costly to vessel things ‌to space, truthful value is simply a factor, and besides due to the fact that the endurance of astronauts connected the satellite can’t beryllium ​dependent connected the timely shipment of supplies,” said survey co-author Sara Oliveira Santos, a postdoctoral researcher astatine the University of Texas Institute for Geophysics.

“Plants would besides assistance nutrient oxygen and heighten life-support systems for aboriginal ⁠human settlements,” said astrobiologist Jyothi Basapathi Raghavendra of Northumbria University successful England, pb writer of a 2nd survey published connected Thursday (March 5, 2026) that examined increasing conditions for microbes successful simulated Martian soil.

Moon ungraded is fundamentally crushed stone and dust, often crisp and glass-like, formed implicit billions of ‌years by meteorite impacts. While it contains indispensable nutrients and minerals for plants to grow, it is inorganic and inhospitable, dissimilar the nutrient-rich and integrated Earth soil.

“Previous studies person shown plants tin germinate successful authentic lunar samples oregon turn successful regolith simulants, often by adding compost oregon different types of integrated matter,” Ms. Atkin said. “In this study, we focused connected microorganisms. Instead of lone adding integrated material, we tested whether plant-microbe partnerships could assistance information regolith, amended its operation and trim works stress.”

How bash they taste?

So what did these chickpeas sensation like? We bash not cognize yet.

“The chickpeas are presently being tested for metallic accumulation, which is wherefore ‌we haven’t eaten them conscionable yet,” Ms. Atkin said.

Lunar regolith and the simulant utilized by the researchers incorporate precocious levels of metals specified arsenic aluminum and iron. Iron is an indispensable nutrient for plants. Aluminum is not, and tin beryllium toxic erstwhile consumed.

“Before anyone makes satellite hummus, we request to corroborate they are harmless and nutritious. Those results volition beryllium published successful a follow-up insubstantial aboriginal this year,” Ms. Atkin said.

The fungi utilized to overgarment the seeds worked symbiotically with the chickpeas, helping the ⁠plants sorb immoderate indispensable nutrients portion reducing their uptake of dense metals. The microorganisms successfully colonised roots adjacent successful 100% regolith simulant and helped hindrance escaped particles, making regolith behave much similar Earth soil.

The researchers had immoderate amusive successful ‌the laboratory. Ms. Atkin played lunar-themed songs specified arsenic Creedence Clearwater Revival’s “Bad Moon Rising” to promote the plants. Ms. Atkin besides hung a representation of chickpeas increasing connected the moon.

“Kind of silly, but thing to purpose for,” Ms. Atkin said.

“This is simply a tiny archetypal measurement toward increasing crops connected the moon,” Oliveira Santos said, “but we person shown this is feasible and we are moving successful the close direction.”