space age biodynamics

So i figured that since biodynamics has a focus on astronomy that maybe someone would be able to give me an idea as to

How plant growth would be affected on a space ship, or on other planets?
What would be some vital points to keep in mind while travelling through space?
What kind of system would you hypothesize that may successfully feed a flight crew on the way to another planet?

A related post that I made:
https://permies.com/t/39431/permaculture-design/final-frontier#306861

recycling of water and other resources
pests in a closed system
keeping water at roots in zero gravity
sunlight capture