✔ 最佳答案
Greg,
It is not so simple as that. There are numerous ways to insure agricultural production. Insurance plans provide different types of insurance coverage to specific commodities such as: Actual Production History (APH), Actual Revenue History (ARH), Adjusted Gross Revenue (AGR), Dollar Plan, Group Risk Plan (GRP) just to name a few.
If you want to read more about insuring crops go to:
http://www.rma.usda.gov/policies/
It is the Risk Management Agency of the U.S. Department of Agriculture. If you are interested in actually buying crop insurance they have a crop insurance agent locator available.