Abstract: In the article there presented the results of the studies on the effect of pre-sowing seed ozonization to the grain quality of spring soft wheat by varieties of Mariinka and Iren’ of middle-early group of maturity and its structure. The researches were conducted in the conditions of steppe zone of the Kemerovo region in 2009 - 2011 years.

Key words: spring wheat, presowing ozonization, yield and its structure, dose of ozone, time of presowing ozonization

Presentation: oral