jm èKÕ±g9@Ïú¨/¥²7'"lbÒ]hÈÔ ÂwuL Really it doesn't even need to be land. There are crops you can grow in both fresh and sea water Potato like tubers that grow in fresh water, sea weed in salt.
https://whatsonchain.com/tx/045a04c7e06f2de2396511318681e414cf78250ba93675058d139f0f4d19d975