When a bipartisan group of state legislators held a press conference last week to demand that Gov. Gavin Newsom declare a statewide drought emergency, they assembled at a withered farm field east of Fresno, complete with piles of dead trees in the background.

The choice was no accident. With California already experiencing drought-like conditions, Central Valley farmers and their elected representatives are the ones putting the most political pressure on Newsom to make it official.