Replenishing Food

I just got this app last week for my iPod touch. I've played a demo on the computer and I love it. I planted the tree and figured out the beehive, but I'm running low on food and the chief creates magic food, but that only helps for a little while. I even bought the thing in tech that says it will help to replenish your food faster, the Faction of Nature level 1. What am I doing wrong?

Have you You will also have to Try not to grow your tribe too fast since your food source is currently limited. Also, have your children hunt mushrooms.