Fabolous' baby mama Emily Bustamante tells TMZ, the massive blowout between Jim Jones' fiancee Chrissy Lampkin and Juelz Santana's lady Kimbella Vanderhee during Monday's episode was the final straw (watch here).

We're told producers are fed up with all the injuries on set from girl-on-girl violence -- the bloodshed, the stitches -- and have decided to institute an all-plastic policy while camera are rolling ... plastic cups, plastic knives, plastic everything.

But it doesn't end there -- we're told each cast member will now be accompanied by a personal body guard wherever he or she goes.