If cows can't eat it, then they shouldn't be playin' on it.
http://www.sbnation.com/nfl/2013/2/14/3990266/redskins-refuse-artificial-turf-fedex-field-2013
Redskins general manager Bruce Allen stated on Thursday that he admitted that the Redskins missed their chance to re-sod the field at FedEx Field before the 2012 season and the team plans to re-sod based on the team's schedule for the 2013 season.
Paulsen also tweeted a message to the fans that are disappointed that the Redskins have decided not to make the switch to turf for the 2013 season, saying they shouldn't be surprised due to head coach Mike Shanahan's preference for grass fields.
http://www.sbnation.com/nfl/2013/2/14/3990266/redskins-refuse-artificial-turf-fedex-field-2013