CHANGE OF AGROCHEMICAL PROPERTIES OF ALKALI SOILS AFTER APPLICATION OF SEWAGE SLUDGE

Authors

  • Валентин Васильевич Зуев Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"
  • Евгений Петрович Денисов Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"
  • Владислав Витольдович Маевский Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"
  • Илья Сергеевич Полетаев Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"

DOI:

https://doi.org/10.28983/asj.v0i12.276

Keywords:

alkali soil, sewage sludge, chemical properties of the soil, mock cypress

Abstract

The area of alkali soils in the Saratov region is given. It is shown that alkalinization leads to a decrease in humus, nitrate nitrogen, and calcium in the soil. The effect of various doses of sewage sludge from 50 to 200 t/ha on the agrochemical properties of magnesium alkali soils was studied. This significantly improves the water and air regime of the soil. They have a positive effect on the nutritional regime. The yield of the green mass of mock cypress on the alkali soil without the introduction of sewage sludge was very low (6.89 t/ha). The introduction of the studied fertilizers in high doses promoted the increase of this indicator to 31.85 t/ha. Sewage sludge and sowing of mock cypress are effective and cost-effective methods of increasing the fertility of alkali soils.

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Author Biographies

Валентин Васильевич Зуев, Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"

Post-graduate Student of the chair “Agriculture, Amelioration and Agrochemistry”, Saratov State Agrarian University named after N.I. Vavilov. Russia.

Евгений Петрович Денисов, Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"

Doctor of Agricultural Sciences, Honored Scientist of RF, Professor of the chair “Agriculture, Amelioration and Agrochemistry”, Saratov State Agrarian University named after N.I. Vavilov. Russia.

Владислав Витольдович Маевский, Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"

Candidate of Agricultural Sciences, Assistant of the chair “Crop Production, Selection and Genetics”, Saratov State Agrarian University named after N.I. Vavilov. Russia.

Илья Сергеевич Полетаев, Federal State Budget Educational Institution of Higher Education "Saratov State Agrarian University named after NI Vavilov"

Candidate of Agricultural Sciences, Assistant of the chair “Agriculture, Amelioration and Agrochemistry”, Saratov State Agrarian University named after N.I. Vavilov. Russia.

References

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Published

2017-12-25

Issue

No. 12 (2017)

Section

Естественные науки

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