I'll look into the rates and tweak them where appropriate. In the mean time though, don't forget about a fishing rod. If you craft one of those, you have a guaranteed food source that you can find by the water in the campsite!
in zombie retreat 2 is there a person who boosts your search for food i know fion is building mats, melinda healing herbs but i only have 2 fresh foods and i am trying to build the garden