Cultivation of sunflower hybrids depending on treatment with agrochemicals in conditions of the southern part of the Non-Black Earth Region of the Russia
Abstract
Background. For the first time in conditions of the southern Non-Black Earth Region, comprehensive researches were carried out to study the influence of microbiological fertilizers Phosphatovite, Baikal EM, Azotovite on the productivity of promising hybrids NK Neoma, SI Bacardi in conditions of a training experimental field of Ryazan State Agrotechnological University Named after P.A. Kostychev, Ryazan region, Russia.
Purpose. The purpose of the work was to identify the efficiency of agrochemicals in agrocenoses of various sunflower hybrids in conditions of Ryazan region.
Materials and methods. The two-factor field experiment was launched in 2022 and 2023. The studies were carried out according to the experimental design: 1. Control (without treatment); 2. Microbiological fertilizer Phosphatovite; 3. Microbiological fertilizer Baikal EM; 4. Microbiological fertilizer Azotovite.
Results. The average yield of sunflower seeds in options with hybrid SI Bacardi was lower (23.4-26.4 dt/ha) than in hybrid NK Neoma (24.0-26.8 dt/ha). On average, the maximum yield was found for the option with the action of Azotovite, 1 l/ha on plots with hybrid NK Neoma, and amounted to 26.8, which was 2.8 dt/ha more than the control option. Qualitative analysis of seeds showed that the microbiological fertilizers used did not significantly affect the oil content of sunflower. Let us highlight the higher oil content of hybrid SI Bacardi: 47.4-49.3%, which was 1.5-2% higher than that of hybrid NK Neoma. The maximum fat yield was obtained in options NK Neoma + Azotovite (1 230.1 kg/ha) and SI Bacardi + Baikal EM (1 258.0 kg/ha), where the indicator depended mainly on seed productivity. The maximum oil content was obtained with Phosphatovite + SI Bacardi option (49.3%).
Conclusion. In the conditions of the Ryazan district of the Ryazan region, it is recommended to grow sunflower hybrids SI Bacardi, NK Neoma with the use of microbiological fertilizers Azotovit, Phosphatovit and Baikal EM in culture cultivation technology as seed treatment before sowing and application during the growing season in the period of 4-8 real leaves.
EDN: LLNVQY
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References
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