Answer:
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
A section of the calendar dedicated to mother nature.
Mouth up it gets filled, mouth down it gets empty.
What has a neck but can't swallow?
What is broken if you say its name?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?