This is very common among organic farms as the first form of protection against insects and birds. I use and 80 gram netting for all of my turnips and radishes. That is to protect against the cabbage root maggot. To protect against flea beetle, you’ll want to use a finer netting like
We use wire 62″ wire hoops to hold up the netting.
We use 1 inch spring clamps and or row bags to hold it down.