Farke admits the striker isn't in his plans for their Premier League return.
"I had a really open and honest conversation with Patrick, which was important," he said. "He knows how much I rate him as a player and I would have preferred a fit Patrick Bamford for the last two seasons.
"But he is a player who needs to be the main man. He needs an arm round the shoulder after some difficult seasons. I was not willing to tell him he was the main man at Premier League level.
"In the second day of pre-season, I got him into my office and told him he is not in my plans for the upcoming season.
"It would have been easy for me to hide behind the sporting director or wait until we got someone else in, but he has done so much for this club, he deserves respect and transparency."
Will train with U21 team
Farke says Bamford won't be part of their training camp in Germany, nor will be added to the squad for preseason when they return to Leeds.
"I will treat this situation as respectfully as possible, but there comes a moment when you can't carry on with five or six strikers," added the German.
"Right now, we are talking about what we do to retain his fitness levels.
"The under-21s are going to Munich for a friendly but when they come back, he will probably join many sessions with them.
"He needs team training to stay fit. It would make no sense just to let him run around the lake."