The effect of deep subsoil tillage on productivity and grain quality of spring wheat variety ‘Iren’ in the northern forest-steppe of the Tyumen region
https://doi.org/10.31367/2079-8725-2024-95-6-87-92
Abstract
The purpose of the current work was to study the effect of deep subsoil tillage on productivity and grain quality of spring wheat variety ‘Iren’ in the northern forest-steppe of the Tyumen region. The study was conducted on the experimental plot of the Northern Trans-Ural State Agricultural University in 2020–2022. There has been established that with annual moldboard plowing of leached heavy loamy blackearth, there is a dense subsurface soil layer with a density of 1.6–2.1 g/cm2 , which restrains the flow of water into the deep soil layers and limits the development of the root system. The deep (35–40 cm) subsoil tillage PCHN-2.1 allows reducing the soil density to 1.2 g/cm2 , increasing the moisture reserve in the arable layer from 19 to 24 mm, in the meter layer from 147 to 173 mm. The wheat plants have grown, developed well and formed a leaf area of 42.4 thousand m2 /ha, which is 7.7 thousand m2 /ha higher compared to moldboard plowing. 4.41 million plants remained for harvesting with deep subsoil tillage, 4.06 million plants/ha with moldboard plowing, the productive acidity was 1.1; 1.3, respectively, the number of grains per ear was 14 and 18 pcs. in favor of deep subsoil tillage. The productivity was 4.61 t/ha, which was 0.69 t/ha higher compared to moldboard plowing. There were no significant differences in grain quality; in both tillage options the grain met the requirements for valuable wheat. Profitability was 40.3 %, which was 15.5 % higher than with moldboard plowing.
About the Authors
Yu. P. Loginov
Federal State Budgetary Educational Institution of Higher Education
“Northern Trans-Ural State Agricultural University”
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, professor department of Biotechnology and Plant Breeding named after Yu.P. Loginov
625003, Tyumen region, Tyumen, Respublik Str., 7
A. A. Kazak
Federal State Budgetary Educational Institution of Higher Education
“Northern Trans-Ural State Agricultural University”
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, associate professor, head of the department of Biotechnology and Plant Breeding named after Yu.P. Loginov
625003, Tyumen region, Tyumen, Respublik Str., 7
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Review
For citations:
Loginov Yu.P., Kazak A.A. The effect of deep subsoil tillage on productivity and grain quality of spring wheat variety ‘Iren’ in the northern forest-steppe of the Tyumen region. Grain Economy of Russia. 2024;16(6):87-92. (In Russ.) https://doi.org/10.31367/2079-8725-2024-95-6-87-92
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