What's the adjective for landowning? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs land and landlock which may be used as adjectives within certain contexts.
landlocked
(of a country, geographical region, etc.)Surrounded by land (having no borders with the sea).
“Kanimbla also provided support to landbased personnel through the provision of fresh rations and a laundry service.”
“The campus is home to East Durham College's landbased training, offering courses in horticulture, floristry, arboriculture and forestry and environmental conservation.”