Rezul'taty opytov po prigodnosti preparatov sistemogo dejjstvija dlja bor'by s muchinostojj rosojj zlakov /Erysiphe graminis D.C./ na jarovojj pszenicy
EN
Results of the experiments on the effectiveness of systemic preparations in the control of powdery mildew of cereals /Erysiphe graminis D.C./ of spring wheat