Why an obscure Danish greenhouse experiment with hydroponic wheat could reshape global agriculture
On a quiet morning at Aarhus University's research station in Flakkebjerg, Denmark, rows of wheat plants stand with their roots submerged in clear water. Postdoctoral researcher Purna Kumar Khatri arrives daily, weekends included, to check them and adjust the pH drop by drop. This meticulous routine is part of a larger story about how…
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