Abstract
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 N180P120K60 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 N180P120K60 (27.8 dt/ha), Cultus KL N180 (27.3 dt/ha), Cebra KL N180P120K60, N180 (24.4 dt/ha), Cyclus KL N180, N90P60K60 (26.6 dt/ha). The maximum profitability of rapeseed oilseeds production was obtained on N180 variant Kultus KL (133.5 %).
Highlights
In 2018 and 2019 the yield of oilseeds in Russia amounted to 19.6 million tons
The maximum increase in oilseeds from Ecorost treatment was on variants Cultus KL, N180 and Cebra KL, N90 and it amounted to +1.5 dt/ha
The experiments revealed the high efficiency of the Clearfield production system regardless of weather and soil conditions of 2018 and 2019
Summary
In 2018 and 2019 the yield of oilseeds in Russia amounted to 19.6 million tons. Sunflower remains the main oilseed crop, giving 12.7 million tons (65 % of the total). Soy and rapeseed production has been growing rapidly [1]. The sown area of winter and spring rapeseed in farms of all categories in the Russian Federation in 2019 amounted to 1,561.3 thousand ha. Analysts have noted an increase in the area occupied by these crops by 126.8 % or 872.9 thousand ha for 10 years. In 2019 the sown area of rapeseed included Kemerovo region, Tula region, Ryazan region and Lipetsk region [2]
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