 In 2010, Firtash launched an effort towards consolidation of the Ukrainian nitrogen business.From September 2010 to September 2011, Firtash acquired ownership in 'Concern STIROL' (Horlivka), 'Severodonetsk Production Association Azot' and 'Cherkassy Azot'.In just over a year, the joint marketing strategy of the four fertilizer manufacturers owned by Firtash substantially strengthened its domestic market position.