(separate farm corporations appeal district court decision that splitting parcels previously individually identified but uniformly enrolled in state agricultural land violated easement’s prohibition on subdivision of land; district court affirmed based on Stitzel v. Maryland, 6 A.3d 935 (Md. Ct. App. 2010) which held that conveyance of portion of land subject to agricultural preservation easement was subdivision even though land had been separate before becoming part of preservation program; because Stitzel facts were “on all fours with this one”, subdivision was a violation).