Facts dont matter.I'll attempt to respond to this in good faith, which is probably an exercise in futility, but whatever.
So, no, it's not only the illegal immigrants that pick the produce. I've seen varying estimates but they seem to generally suggest that around half of farmworkers are undocumented migrants. If the Trump policy were "We need to dramatically reform and invest in a system that better allows for legal options for immigrating and supporting our vital industries", great, totally on board. The legal immigration system is completely fucked and in no way equipped to rapidly allow for the replacement of these workers. So, as of now, Trump's stated policy is to eliminate half of the farm workforce with zero plans for how to backfill those numbers. My point was about food costs...do you see any world in which that results in a decrease in the cost of food? These are people who also clearly do not care in the slightest about the distinction between legal vs illegal immigration (see Haitians in Springfield as one of many, many examples of this).
Care to cite any figures about what illegal immigrants bring in to the CA economy (it's several multiples of the figures that you're citing)? And pay in taxes?
Anyone serious about this issue should be discussing legal pathways to citizenship and immigration reform, not simplistic illegals = bad BS, which gets the base riled up but completely ignores the reality of how dependent we are as a society on that population, and how incredibly inhumane and counterproductive mass deportation would be.
I doubt he will do much about illegals on farms. Farmers get huge subsidies as it is, which means they must have strong lobbying muscles.
Trump will probably round a few hundred at the border, make a huge show to thrist the quench of brown blood from his base and thats it.