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Articles on Crops

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Circular irrigation for growing hay and alfalfa near Corcoran, Calif. − a water-intensive system that relies on groundwater pumping. George Rose/Getty Images

Humans are depleting groundwater worldwide, but there are ways to replenish it

Rapid and accelerating groundwater level declines are widespread in dry climates where groundwater is used for irrigation. But some communities have found ways to turn things around.
Spiders can be effective pest control agents. (Shutterstock)

Studying the stomach contents of spiders shows how they help control crop pests

Spiders liquefy their prey in order to consume it, and this makes it challenging to determine what spiders eat. A new approach that uses DNA barcoding is helping researchers figure out spider diets.

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