Jana Partners LLC, the activist investor pushing for changes at fertilizer maker Agrium Inc., said proxy adviser Institutional Shareholder Services Inc. recommended shareholders vote for two of its nominees for Agrium's board. ISS backed Jana Managing Partner Barry Rosenstein and David Bullock, a former chief financial officer of Graham Packaging Inc., for election at Agrium's April 9 shareholders' meeting, Jana said today in a statement. Glass, Lewis & Co., another advisory service, recommended its clients vote for all of Agrium's director nominees, citing management's "more compelling case," Calgary-based Agrium said yesterday in a statement.