The writer is a contributing columnist, based in Chicago
Steve Pitstick has been farming in the US Midwest for 51 years, about an hour outside Chicago, the city that grain built. Seven generations of his family have made their living off the land.
您已閱讀9%（417字），剩餘91%（4399字）包含更多重要資訊，訂閱以繼續探索完整內容，並享受更多專屬服務。