Influence of main processing methods on the water-physical properties of the soil and soybean yield in Western Siberia

Authors

  • Elena Aleksandrovna Krasnova Northern Trans-Ural State Agricultural University
  • Valentina Vasilevna Rzaeva Northern Trans-Ural State Agricultural University
  • Aleksandr Sergeevich Lynkov Saratov State Agrarian University named after N.I. Vavilov

DOI:

https://doi.org/10.28983/asj.y2020i9pp21-24

Keywords:

methods of tillage, soy, water-physical properties, soil density, available moisture reserves, yield

Abstract

The results of research on the influence of basic tillage methods on agrophysical indicators in soybean cultivation are presented. Over the years of research (2017-2019), the soil density (0-30 cm) during soybean cultivation according to the studied methods of basic tillage was optimal for plant growth and development and was within the range of 1.00-1.27 g/cm3 before sowing; 1.05-1.19 g/cm3 during the branching phase; 1.10-1.36 g/cm3 before harvesting. The reserves of available moisture before sowing in the twenty-centimeter layer of soil were characterized by satisfactory and good security (30.4-43.0 mm), the meter layer-good and very good security (150.8-172.3 mm) on variants with soil treatment and satisfactory at zero treatment-125.1 mm. In the phase of soybean branching, the available moisture reserves at a depth of 0-20 cm were characterized by satisfactory water availability (31.0-35.6 mm) and good (159.6-160.6 mm) in the meter layer of soil. Before cleaning, the available moisture reserves were characterized by satisfactory security. The highest yield was obtained by a differentiated method of tillage (20-22 cm) with an excess of control (dump method, 20-22 cm) by 0.06 t/ha. A decrease in the depth of processing (12-14cm) led to a decrease in the yield of soybean grain by 0.07-0.11 t/ha for the studied methods of basic soil treatment.

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Author Biographies

Elena Aleksandrovna Krasnova, Northern Trans-Ural State Agricultural University

Post-graduate Student

Valentina Vasilevna Rzaeva, Northern Trans-Ural State Agricultural University

Candidate of Agricultural Sciences, Associate Professor

Aleksandr Sergeevich Lynkov, Saratov State Agrarian University named after N.I. Vavilov

Candidate of Agricultural Sciences, Associate Professor

References

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Published

2020-10-01

Issue

No. 9 (2020)

Section

Agronomy

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Copyright (c) 2020 The Agrarian Scientific Journal

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