FriendlyFire
Codex WMDicanious
Just for the record, the farmers that planted the nut trees, grapes, and almonds (not quite sure how they are distinct from nut trees, actually), and let's throw in citrus trees and avocado trees as well, aren't going to learn anything because they mostly died decades ago, if not centuries. California being full of water intensive agriculture is nothing new. That's why the 'blame it on agriculture' plan is so wrong headed, and also why any sort of 'take it out of farming' solution is also wrong headed.
Those are water intensive trees will die within 1 year if they are not given sufficient water wiping them out for good. These tree will probably be kept alive for a few years if they are sustained on a small amount of water but then if the drought continues they wont survive.
There is also massive water saving measures that can be taken by the suburban, and residential use as CA are using 5 times the water as Australia.
Ca needs a long term solution though, as the world