The Cadiz Valley is an unlikely spot for an agricultural empire.
A windswept Mojave Desert outpost best known for its spectacular sand dunes and dry lake beds, the valley receives only about 4 inches of rain a year and is seared by 120-degree temperatures during the summer. The nearby hamlet of Bagdad qualifies as one of the continent's driest spots, having once gone without recorded rainfall for 767 days. Left to its own devices, the landscape around Cadiz would support only such hardy veg
