Saudi Arabia grows alfalfa hay in both states for shipment back to its domestic dairy herds. In another real-life example of the world's interconnected economy, the Saudis increasingly look to produce animal feed overseas in order to save water in their own territory, most of which is desert.

Privately held Fondomonte California on Sunday announced that it bought 1,790 acres of farmland in Blythe, California — an agricultural town along the Colorado River — for nearly $32 million. Two years ago, Fondomont's parent company, Saudi food giant Almarai, purchased another 10,000 acres of farmland about 50 miles away in Vicksburg, Arizona, for around $48 million.