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Vegetable farms and solar farms both need lots of sunlight and open space. But how do we divide our limited lands between these two priorities? One elegant solution is to put crops and solar panels on the same land—and share the broad spectrum of incoming sunlight between them.
A new study in Cell Reports Physical Science does this with photovoltaic cells that are semi-transparent: They capture some wavelengths of sunlight to make electricity, while letting the wavelengths most critical to photosynthesis pass through and reach the plants below. The new study suggests that broccoli can be grown in the magenta shade of these solar panels—without sacrificing the harvest.
