Didn’t we try that here after Brexit? From what I remember, farmers were having to let crops go to waste because Brits didn’t want the jobs, even after wages were raised. Most farm work is seasonal, people don’t really want that instability.

Edit: https://foodwastestories.com/2021/10/09/120000-pigs-culled/

https://www.huffingtonpost.co.uk/entry/lack-of-workers-lfood-to-rot-in-fields-cost-of-living-crisis_uk_62fa7fb3e4b071ea9589136d

https://www.fruitnet.com/fresh-produce-journal/higher-wages-fail-to-halt-labour-crisis/185817.article

They had to bring in special visas, because no one else wanted the jobs.