Influence of technology elements on the yield and grain quality of spring wheat in the northern forest-steppe of the Tyumen region

It was found that varieties Novosibirskaya 31 and Iren have an advantage in yield grain quality over Omskaya 36 Tyumenskaya 25 terms of the predecessors annual grasses green manure fallow. For 36, 25, Iren, background mineral nutrition is optimal for obtaining a 4 t/ha. A further increase leads to decrease quality. The exception variety, which retained level close 5 best sowing dates are first second.