Every land mortgage association shall have the power to call in loans upon 60 days' notice:
The trustees of the association, whenever necessary, shall provide for an inspection of the mortgaged premises by the State Department of Agriculture and Consumer Services for an investigation of the care which is being given said premises, and may employ an expert to inspect the soil with a view of determining whether or not the same is being depleted.
N.C. Gen. Stat. § 54-59