L.N. Prokina
Mordovia Agricultural Research Institute, Michurina str., 5, Yalga sett., Saransk, 430904, Russia
E-mail: Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.
Summary. In long-term stationary field experiment the influence of chemicals and chelated microfertilizers on yield and grain quality of winter wheat cv Mironovskaya 808 was studied. The soil of test plot was leached black soil. In two eight-field crop rotations perennial grasses were represented by awnless brome and purple alfalfa. On the average in the test the grain yield of winter wheat was 4.11 t/ha. Application of phosphorus-potassium fertilizers increased the yield by 0.28 t/ha compared to the control (3.64 t/ha); application of nitrogen (N30…90) in the composition of complete mineral fertilizer – by 0.56…0.83 t/ha. Spraying of crops with ZHUSS-2 preparation increased the grain yield by 0.12 t/ha in crop rotation with alfalfa and by 0.22 t/ha in crop rotation with brome in comparison with the variant without microelements (4.26 and 3.79 t/ha, respectively). The productivity of winter wheat in crop rotation with alfalfa was 4.32 t/ha, with brome – 3.90 t/ha. Application of mineral fertilizers and treatment of growing plants by ZHUSS-2 contributed to the increase in thousand grain weight of wheat on 0.5 g, compared to the variants without treatment (44.6 g). The complete mineral fertilizer in crop rotation with brome and alfalfa significantly increased this value by 1.7 and 1.3 g respectively. In crop rotation with alfalfa the content of wet gluten in grains was 29.75 %, which is 1.0 % higher than in the variant with awnless brome. The application of macro- and micronutrients in crop rotation with legumes increased the amount of gluten on 3.3 %, which is 0.2 % higher than in cereals crop rotation. Hardness of wheat grain in the average through the experiment was 90.0 %. Application of nitrogen (N30…90) in the composition of complete mineral fertilizer contributed to the increase in this value on 2.4…6.7 %. In crop rotation with alfalfa the hardness of grain was 0.5 % higher in comparison with grain crop rotation (89.7 %).
Keywords: winter wheat, productivity, soil liming, mineral fertilizers, liquid fertilizing stimulating composition, thousand grain weight, crude gluten.
Author Details: L.N. Prokina, Cand. Sc. (Agr.), Head of Laboratory (e-mail: Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.).
For citation: Prokina L.N. Influence of mineral fertilizers and microelements on productivity and grain quality of winter wheat in grain-grass crop rotation against the background of liming // Dostizheniya nauki i tekhniki APK. 2015. T. 29. № 3 pp. 13-15 (In Russ)