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Irrigation from thin air
A super-absorbent gel could help the world's drought-hit farmers Amita Bhaduri posted 3 months 2 weeks ago

A new development from a US university - a gel that can absorb water from humidity in the air, before releasing it back into the soil - could help farmers struggling to cope with the effects of drought.

The water-absorbing gel has performed well under lab conditions. (Image:  IWMI Flickr, CC BY-NC-ND 2.0)
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