/ Grains Content for 51³Ô¹ÏºÚÁÏ Davis en /climate/blog/can-winter-grains-prevent-fallowing-fields <p><span>California’s San Joaquin Valley produces an enormous share of the nation’s fruits, nuts and vegetables. But it takes an unsustainable amount of groundwater to do it. New state rules aimed at reducing groundwater use are expected to force up to 20 percent of the valley’s irrigated fields out of production – a blow to farmers and communities.</span></p> July 06, 2026 - 12:31pm Amy M Quinton /climate/blog/can-winter-grains-prevent-fallowing-fields