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Rapeseed has a multifunctional agricultural and environmental value. According to statistics, the growth of acreage occupied by rapeseed in the Russian Federation for 10 years reached 126.8 % or 872.9 thousand ha. The article provides an assessment of spring rapeseed production for oilseeds in the Clearfield system at different levels of mineral nutrition in combination with Ecorost bio-fertilizer in conditions of the Non-Chernozem Zone of Russia. The studies were carried out in 2018–2019 at an experimental agrotechnological station of Ryazan State Agrotechnological University Named after P.A. Kostychev (FSBEI HE RSATU) on gray forest soils. High efficiency of the Clearfield production system has been established. The introduction of N 180 P 120 K 60  complex for pre-sowing cultivation contributed to the formation of maximum indicators of the rapeseed yield formula and size. The highest yields were shown by Ecorost variants: Kultus KL N 180 P 120 K 60  (27.8 dt/ha), Cultus KL N 180  (27.3 dt/ha), Cebra KL N 180 P 120 K 60 , N 180  (24.4 dt/ha), Cyclus KL N 180 , N 90 P 60 K 60  (26.6 dt/ha). The maximum profitability of rapeseed oilseeds production was obtained on N 180  variant Kultus KL (133.5 %).

The productivity of spring rapeseed hybrids depending on different levels of mineral nutrition and humic fertilizer