We have enormous quantities of agricultural products circulating at low prices. Is this bad? It is what has allowed large chains to offer cheap food.
It is important to understand why things happen in order to remedy them. The only thing that can be done with them is to manage them with imperfect solutions. The rich steal land from the poor using methods ranging from intimidation and murder to legal tricks or expropriation by complicit governments. There are large employers who do not comply with the labor rights of farm workers and exploit them.