Based on the weather, crop development, the season, etc. -- there is no such thing as a 40-hr week!
There are twenty hour weeks, no hour weeks and sixty, even eighty, hour weeks. Sometimes, there are weekends, sometime there aren't.
Over the years, farmers and farmworkers have arrived at an accommodation that reflects reality.
Now, this ignorant idiot, insists on imposing his own reality -- union-imposed -- direct from the Hollywood studio, into the almond orchards and the asparagus beds.
In the end, it will cost the farmers money. And the farmworkers, their jobs.
Sheen will, of course, feel good about himself...