Open AccessINFLUENCE OF SOWING TECHNIQUES ON PRODUCTIVITY AND BIOCHEMICAL COMPOSITION OF OIL-SEEDS OF SPRING RAPE VARIETIES IN THE MIDDLE URALS
Author(s) -
Андрей Селяков,
Andrey Selyakov,
Анастасия Богатырева,
A. S. Bogatyreva,
Э. Д. Акманаев,
Э. Д. Акманаев
Publication year - 2019
Publication title -
vestnik kazanskogo gosudarstvennogo agrarnogo universiteta
Language(s) - English
Resource type - Journals
ISSN - 2073-0462
DOI - 10.12737/article_5d3e15e176e394.69829005
Subject(s) - hectare , sowing , productivity , loam , agronomy , spring (device) , mathematics , environmental science , geography , biology , engineering , soil water , agriculture , archaeology , mechanical engineering , macroeconomics , soil science , economics
The paper presents the results of two-year and three-year studies to clarify the sowing methods of spring rape varieties in the Middle Urals. The reaction of spring rape to the change of the type of coulter and the seeding depth has been revealed. A three-factor field experience was laid in 2016-2018 on the educational and experimental area of Perm State Agro-Technological University. The soil of the experimental plot is sod-small podzol heavy loam. It has been established that in Perm region, the highest yields and gross collection of fat from 1 hectare are formed by agrophytocenoses, sown with anchor coulter to a depth of 3 cm (1.96 tons per hectare and 911 kg per hectare for Ratnik variety and 2.16 tons per hectare and 1005 kg per hectare - for Smilla hybrid, respectively). On average for 2017-2018 years the productivity of the spring rape varieties under study was not different. The planned aim of research is the yield level (at least 2 tons per hectare) on average over two years obtained when sowing a foreign hybrid to a depth of 2 and 3 cm by anchor coulter. The low productivity of spring rape in 2016 did not allow to reach the planned figure on average for three years of research. Spring rape oilseeds were analyzed for biochemical composition in the laboratory for the development of agro-technologies of Perm State Agro-Technological University. The content of raw fat, ash, fiber, nitrogen and protein in the seeds was the same for all studied variants. Two-year studies have shown that the gross yield of fat per 1 ha depended on spring rape productivity, while the fat content in the seeds did not change much (44.94-46.68%). Three-year data confirm the conclusions made on the basis of an analysis of the results of experience for two years.