It's a group that by the nature of their production cycle is very exploitable (you have to sell the harvest or it litterally turns into manure), and yet they ar

It's a group that by the nature of their production cycle is very exploitable (you have to sell the harvest or it litterally turns into manure), and yet they are extremely essential to a population's survival (unlike e.g. hairdressers, no food ruins your month in a way an overdue trim can't match). So you want to keep farms up even in times the market wont.