Farm.bot have some calculations on their website [1]. They claim that a 2000 calories/day of vegetables only can be grown using 110-205 m^2. But even vegetarian

Farm.bot have some calculations on their website [1]. They claim that a 2000 calories/day of vegetables only can be grown using 110-205 m^2. But even vegetarians eat grains etc , so assuming 3 cups of veggies per day, one person needs 7 m^2. [1] https://farm.bot/pages/yield https://farm.bot/pages/yield