Optimum strip width at Mow-till for organic accumulation and soybean yield
https://doi.org/10.26898/0370-8799-2020-4-2
Abstract
The results of the study of the strip method of sowing soybeans in the southern regions of Amur region are presented. The field study was carried out in 2017–2019 on meadow chernozem soil. The experiment in studying the width of strip for sowing soybean and rapeseed included the following options: 20 cm soybean sowing strips, with rape sown between them (strips of 20, 40 and 60 cm); control – 30 cm soybean sowing strips, with rapeseed sown between them (strips of 30, 60 and 90 cm). The experiment in establishing the frequency of mowing a mulching crop in different phases of soybean development included the following options: 1) once – in the phase of the third triple leaf, 2) once – in the phase of the beginning of branching, 3) twice – in the phase of the third triple leaf and the beginning of branching, 4) twice – in the phase of the third triple leaf and in the phase of pod formation, 5) control – mulch was mowed during soybean harvesting. In the experiments, the area of the registration plot was 54 m2, the replication of the experiment was threefold. Sowing of Lazurnaya soybeans was carried out on May 24–25 by a KMFA-3.6 seeder with a seed shoe of 20 cm and 30 cm wide. Changing rape sowing strip from 20 cm to 40 cm and from 30 cm to 60 cm significantly increased the mass of plant residues by 8.6–7.7%. The highest yield of soybeans was achieved when it was sown with a strip of 20 cm and an inter-strip space of 40 cm, the yield increase was 0.82 t/ha. The yield of soybeans increases by 0.19–0.25 t/ha with two-fold mowing of rapeseed. It is effective to mow rapeseed with the interval from the phase of the third triple leaf to the branching of soybean plants. In the technology of cultivation of soybeans with the mow-till method, a basic sowing strip width of 20 cm is recommended for the main crop. Mowing soybean in rapeseed strips using the mow-till method allows to avoid herbicides and ensure the production of environmentally friendly soybean products.
About the Authors
V. V. Epifantsev
Far Eastern Research Institute of Mechanization and Electrification of Agriculture
Russian Federation
Russian Federation
Viktor V. Epifantsev, Doctor of Science in Agriculture, Lead Researcher
5, Vasilenko St, Blagoveshchensk, 675028
A. N. Panasyuk
Far Eastern Research Institute of Mechanization and Electrification of Agriculture
Russian Federation
Russian Federation
Alexander N. Panasyuk, Doctor of Science in Engineering, Director of the Institute
Blagoveshchensk
Ya. A. Osipov
Far Eastern Research Institute of Mechanization and Electrification of Agriculture
Russian Federation
Russian Federation
Yakov A. Osipov, Candidate of Science in Engineering, Laboratory Head
Blagoveshchensk
Yu. A. Vaytekhovich
Far Eastern Research Institute of Mechanization and Electrification of Agriculture
Russian Federation
Russian Federation
Yuriy A. Vaytekhovich, Postgraduate, Junior Researcher
Blagoveshchensk
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Review
For citations:
Epifantsev V.V., Panasyuk A.N., Osipov Ya.A., Vaytekhovich Yu.A. Optimum strip width at Mow-till for organic accumulation and soybean yield. Siberian Herald of Agricultural Science. 2020;50(4):13-22. (In Russ.) https://doi.org/10.26898/0370-8799-2020-4-2
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