This is a good question and unfortunately I do not have good answer for you other than to contact local financial institutions (specifically those institutions that have an agricultural finance/loan specialist). Your local USDA Natural Resources Conservation Service and Soil Water Conservation District office should also be able to steer you in the right direction.
Might I also suggest contacting your state/county Farm Bureau (Farm Bureau Bank) and Farm Credit Services--please navigate to their Web sites:
Farm Credit: www.farmcreditnetwork.com
Farm Bureau: www.fb.org
Best of luck!