Associated Press: California farmers can grow more food more profitably if they switch to water-saving crops and change their irrigation practices in response to the state’s ongoing drought, according to a study released Monday. A report issued by the Oakland-based Pacific Institute says farmers in the Central Valley could save enough water to fill up to 20 new reservoirs by making several changes to curb wasted water. About a quarter of the state’s water-intensive crops like rice, cotton, corn, …