Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers

Alexey Zavalin; Lyudmila Sviridova; Vsevolod Lapushkin; Karolina Leshchinskaya

doi:10.55186/25876740_2025_68_3_369

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PHYTOTESTING OF SOD-PODZOLIC SOIL AND LEACHED CHERNOZEM WHEN USING NEW FORMS OF NITROGEN FERTILIZERS Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers

АА Аа

Published in INTERNATIONAL AGRICULTURAL JOURNAL · Pages 369–374 · Rubric: Scientific support and management of agrarian and industrial complex

DOI: https://doi.org/10.55186/25876740_2025_68_3_369

Received: 14.05.2025 Accepted: 15.06.2025 Published: 15.06.2025

Authors

Alexey Zavalin

Lyudmila Sviridova

ORCID

Vsevolod Lapushkin

ORCID

Karolina Leshchinskaya

Alexey Zavalin

Academic degree: doctor of agricultural sciences

All-Russian Scientific Research Institute of Agrochemistry named after D.N. Pryanishnikov scientific director · Russian Federation · Moscow

Lyudmila Sviridova

Academic degree: candidate of sciences in biology

All-Russian Scientific Research Institute of Agrochemistry named after D.N. Pryanishnikov leading researcher of laboratory · laboratory mineral and biological nitrogen and evaluation of the effectiveness of fertilizers · Russian Federation · Moscow

ORCID

Vsevolod Lapushkin

Academic degree: candidate of sciences in biology

All-Russian Scientific Research Institute of Agrochemistry named after D.N. Pryanishnikov; Russian State Agrarian University named after K.A. Timiryazev leading researcher; associate professor of the department · department of agronomic, biological chemistry and radiology · Russian Federation · Moscow

ORCID

Karolina Leshchinskaya

Metafrax Chemicals chief analyst · Russian Federation · Moscow

ABSTRACT

Phytotesting of soils with traditional and new forms of nitrogen fertilizers was carried out in the laboratory at the D.N. Pryanishnikov All-Russian Research Institute of Agrochemistry in 2024-2025. Prolonged-release urea-formaldehyde fertilizers (UF), which contain fast- and slow-soluble nitrogen, were tested. The length of the roots of spring wheat and white mustard seedlings in sod-podzolic soil and leached chernozem after composting fertilizers for 28 and 50 days was estimated. When applying conventional carbamide, regardless of the type of soil and crop, with an increase in the composting period, a stronger inhibition of plant root growth was observed. The decomposition products of fertilizers had a less pronounced negative effect on white mustard. In general, according to experience, the phytotoxicity of UFs was lower compared to standard carbamide, as well as lower in leached chernozem compared to sod-podzolic soil. The stimulating effect of prolonged forms of nitrogen fertilizers during prolonged composting was revealed in the chernozem on white mustard plants by 9; 63 and 137%, respectively, and on UF-3 spring wheat plants by 28%. The study of the dynamics of fertilizer conversion showed that the content of ammonium nitrogen in the soil decreased to the initial level on the 21st day and ammonia poisoning could not cause phytotoxicity. It is shown that the accumulation of nitric acid as a result of nitrification led to significant acidification of the soil. In the carbamide variant, on days 21-28, there was a more pronounced decrease in the reaction of the soil environment to the pHKCl to 4.6-4.7 units, which is 0.6-0.7 units. lower than in the original soil, when applying UFs, the pHKCl was significantly higher and amounted to 4.9-5.0 units.

KEYWORDS

phytotesting, sod-podzolic soil, leached chernozem, urea, urea-formaldehyde fertilizers, UF, spring wheat, white mustard, ammonification, nitrification

Funding

The research was carried out with the financial support of the Russian Science Foundation within the framework of the scientific project No. 24-16-00068 «To develop ways to increase the efficacy of plants using nitrogen from mineral fertilizers to form grain yields and optimize the functioning of agrocenoses».

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Zavalin A. A., Sviridova L. A., Lapushkin V. M., Leshchinskaya K. S. Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers // INTERNATIONAL AGRICULTURAL JOURNAL. 2025. no. 3. pp. 369-374. DOI: https://doi.org/10.55186/25876740_2025_68_3_369. (Date of access 14.09.2026).

MLA

Alexey Zavalin, Sviridova L. A., Lapushkin V. M., Leshchinskaya K. S.. "Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers." INTERNATIONAL AGRICULTURAL JOURNAL.3 (2025): 369-374. DOI: https://doi.org/10.55186/25876740_2025_68_3_369.

APA

Zavalin A. A., Sviridova L. A., Lapushkin V. M., Leshchinskaya K. S. (2025). Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers. INTERNATIONAL AGRICULTURAL JOURNAL(3), 369-374. https://doi.org/10.55186/25876740_2025_68_3_369

Chicago

Alexey Zavalin, Sviridova L. A., Lapushkin V. M., Leshchinskaya K. S.. "Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers." INTERNATIONAL AGRICULTURAL JOURNAL, no. 3 (2025): 369-374. https://doi.org/10.55186/25876740_2025_68_3_369.

WIKI

{{cite journal | author = Zavalin A. A., Sviridova L. A., Lapushkin V. M., Leshchinskaya K. S. | title = Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers | journal = INTERNATIONAL AGRICULTURAL JOURNAL | year = 2025 | issue = 3 | pages = 369-374 | doi = 10.55186/25876740_2025_68_3_369 }}

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PHYTOTESTING OF SOD-PODZOLIC SOIL AND LEACHED CHERNOZEM WHEN USING NEW FORMS OF NITROGEN FERTILIZERS Phytotesting of sod-podzolic soil and leached chernozem when using new forms of nitrogen fertilizers

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