From WisdomAnswer:
Is California the breadbasket of America?
California has often been referred to as the breadbasket of the world. Interestingly, California only possesses 4% of the total U.S. farms, but supplies the nation with the most agriculture products. California is the leading dairy state in the United States and is the leading producer of dairy products.
Where is the bread basket of California?
San Joaquin Valley. Additionally, the San Joaquin Valley in California has also been called the breadbasket of the world. The San Joaquin Valley produces the majority of the 12.8% of the United States’ agricultural production (as measured by dollar value) that comes from California.
Moral of the story: Bad for California = Bad for the United States