Signs of drought are everywhere, affecting vast sectors of the economy. A sense of dread is building among farmers, many of whom have let fields go fallow. Without more water, an estimated 200,000 acres of prime agriculture land will go unplanted in Fresno County, according to Westlands Water District officials. Cattle ranchers accustomed to letting cows graze on rain-fed grass have had to rely on bought hay or reduce their herds.