plants for live fencing

I am planning to have live fencing for my newly planning vegetable farm. I am planning fast growing nitrogen fixing tress and even trees with huge biomass. Some shurbs to human height, which flowers and attracts insects for pollination and even avoid cattle's and animals rushing to the form...

I am looking for a natural (live) fencing options for my farm. Kindly advise suitable plants that can be used as fencing for my farm... I am looking for economical options... Thanks