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Information × Registration Number 0221U100679, 0119U100424 , R & D reports Title To develop agrotechnical measures to increase soybean performance due to optimization of mineral nutrition and biologization elements for the eastern forest-steppe of Ukraine popup.stage_title Head Hutianskyi Roman A., Кандидат сільськогосподарських наук Registration Date 08-01-2021 Organization Plant Production Institute nd. a. V. Ya. Yuriev popup.description2 Object - crop rotation, soil, fertilizers, pesticides, soybean, varieties, cultivation technologies. Purpose – to develop effective measures for increasing the soybean performance based on optimal combinations of mineral nutrition and biologicals, which will ensure the activation of natural biological processes in soil. Methods - field and laboratory. Results and their novelty – we investigated the responses of new released and promising soybean varieties, which are resistant to lodging, shedding, highly drought-resistance, and resistant to the most common diseases in relation to growing conditions. It was found that of the soybean varieties the highest yields were given by PR-1903 (2.14 t/ha) and PR-1904 (2.07 t/ha). There was a trend in varieties Raiduha, Sloboda, PR-1903 and PR-1909 to give rather high yields due to the natural soil fertility without fertilizers (≥2.00 t/ha of seeds). Of the organically grown varieties, the maximum yields were obtained from Krasunia (2.16 t/ha), Rainduha (2.19 t/ha), PR-1903 (2.22 t/ha), PR-1904 (2.14 t/ha) and PR-1908 (2.26 t/ha). Early (the 3rd ten days of April and the 1st ten days of May) sowing of soybean was not very effective, except for variety Malvina. It is better to sow varieties Biliavka and Sprytna during the 2nd ten days of May, regardless of nutrition. A positive result, with a gain of 0.17 t/ha in the control and of 0.13 t/ha in the N30P30K30 experiment, was recorded with inoculant UnderRhiz (2.0 L/t) in combination with pre-seed treatment of soil with bioagent Sclerocide (1.0 L/ha). The developed "Biologized Technology of Soybean Cultivation Using Bacterial Agents, with Due Account for Agrobiological Basics of the Yield Formation" was tested on 18.0 hectares and is recommended for introduction on Ukrainian farms of different forms of ownership Product Description popup.authors Hlubokyi Oleksandr M. Kostromitin Viktor M. Popov Serhii I. Sheliakin Oleksii V. popup.nrat_date 2021-03-17 Close