%0 Journal Article %T Models of spring wheat variety, adapted to the forest-steppe zone of the Urals of Orenburg %A Mukhitov, L.. %A Samuilov, F.. %K spring wheat, variety, biotype, the relationship with the morphological and physiological characteristics, sustainability, productivity, model. %J Vestnik of Kazan State Agrarian University %D 2013 %N 8 %P 6 %I Kazan state agrarian University