The above answer (you file the income and expenses on Schedule E), assumes you receive a fixed rent dollar amount for the land rental.
"Landowners and sub-lessors that do not materially participate in the operation or management of the farm (for self-employment tax purposes), file this form to report farm rental income based on crops or livestock produced by the tenant"
Reference: https://www.irs.gov/forms-pubs/about-form-4835
