Researchers from Italy made a fully biodegradable hydrogel from red algae carrageenan that can swell up to 7000%, retain water, release nutrients, and support plant growth even in drought. It cuts waste, needs very little water and works in hydroponics and soilless systems.
(c) Jatuphon Buraphon

Super-absorbent Biodegradable Hydrogel Transforms Soilless Farming Under Drought

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Researchers from Italy made a fully biodegradable hydrogel from red algae carrageenan that can swell up to 7000%, retain water, release nutrients, and support plant growth even in drought. It cuts waste, needs very little water and works in hydroponics and soilless systems.

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