Is there a way to do t-rows with a barbell at your own home gym? Maybe there is some kind of an attachment for a barbell being sold that will let you do t-rows?
Check out Jay Cutler training 5 weeks out for Olympia on Bodybuilding.com, he is doing his back, and he does T-bar rows with an Olympic bar and a close grip pull down attachment
It does not matter, do what feels right and, as Badguy suggested, dumbells work just as well. Heavy deads and heavy bent rows will build a great back and great strength: Good article