Сільське господарство та лісівництво

Didur Ihor – Candidate of Agricultural Sciences, Associate Professor, leading researcher, Dean of the Faculty of Agronomy and Forestry of Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, didurihor@gmail.com).

Mostovenko Voldemar – postgraduate student of the Soil Management, Soil Science and Agrochemistry Department, Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3).

The maximum values of both total and active number of tubers, as well as their mass were obtained on the variant of the experiment, where liming was carried out (1.0 norms per g. K.) Against the background of mineral fertilizers N30P60K60 and pre-sowing treatment of seeds CoMo and foliar fertilization with microfertilizers Vuxal Microplant during the growth of vegetative mass and Vuxal Calcium, Boron during budding. The total number of tubers was 20.1 and 20.8 pieces, including active - 18.1 and 18.7 pieces / plant, as well as the weight of the bubbles - 0.47 and 0.45 g / plant, including active - 0.44 and 0.42 g / plant.

The longest period of symbiosis, both general and active, was observed in the variant of the experiment, where inoculated seeds treated with microelements Vuxal Extra CoMo on the background of mineral fertilizer N30P60K60, liming (1.0 norms per hectare), foliar fertilization Vuxal Micro Calcium, Boron, respectively, 35.3 and 37.1 and 25.4 and 26.7 days in the varieties Skinado and Somerwood were sown. This is 2.2 and 4.6; 1.6 days more than in the control with liming. Lower indicators of total and symbiotic potential were obtained in the variant of the experiment, where the treatment of seeds with microelements Vuxal Extra CoMo and foliar fertilization Vuxal Microplant was carried out against the background of control - 34.2 and 35.3; 24.5 and 25.4 days in the varieties Skinado and Somerwood. A shorter period of symbiosis, both general and active, was observed in the variant of the experiment, where inoculated seeds treated with microelements Vuksal Extra CoMo against the background of mineral fertilizer N30P60K60, liming (1.0 norms per year) - 33.6 and 35 , 4; 24.2 and and 25.5 days were sown. The duration of symbiosis and the mass of nodules determine the indicators of total (ACP) and active (ACP) symbiotic potentials.

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