Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management

Gulnara Tastanbekova; Zhenisbek Abdraimov; Kalamkas Kulanbay; Abdugani Azimov; Marat Atеmov; Zhanibek Akbar; Bakhytzhan Shayanbekova; Adylkhan Balmakhanov

doi:10.18393/ejss.1750269

Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management

Abstract

Soil degradation driven by climate variability and unsustainable land use represents a growing challenge for agriculture in semi-arid and continental regions. This study presents a comparative agrochemical assessment of cultivated soils from two peasant farms—«Druzhba» (Ulansky District) and «Tamerlan & K» (Glubokovsky District)—in the East Kazakhstan Region. The objective was to evaluate site-specific fertility characteristics under contrasting climatic and landscape conditions and to provide practical recommendations for sustainable nutrient management. Composite soil samples were collected from three depth intervals (0–20, 20–40, and 40–60 cm) and analyzed for humus content, nitrate nitrogen, available phosphorus and potassium, sulfur, and pH using standardized GOST methodologies. The results revealed moderate fertility status in both farms, with humus levels ranging from 2.21% to 3.79%. Available nitrogen levels were relatively balanced; however, phosphorus availability was notably deficient in portions of the Tamerlan & K farm, posing potential constraints for phosphorus-demanding crops. Potassium and sulfur concentrations were generally adequate, while soil pH ranged from 7.00 to 7.47—slightly alkaline but within an acceptable range for most crops. Based on the agrochemical profiles and average nutrient uptake values, crop-specific fertilization strategies were developed. High-demand crops such as maize, sunflower, potato, and sugar beet require full NPK fertilization, while cereals like wheat and barley may be managed using NP fertilizers, supplemented with potassium every two to three years. The adoption of fertigation systems and the use of liquid organomineral fertilizers are recommended to enhance nutrient use efficiency and buffer heat and drought stress conditions. Furthermore, pH adjustment and organic matter restoration are critical to improve micronutrient availability and sustain long-term soil health. Overall, the study underscores the importance of adaptive, data-driven nutrient management approaches tailored to the agroecological diversity and evolving climate realities of East Kazakhstan.

Keywords

References

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Details

Primary Language

English

Subjects

Soil Sciences and Plant Nutrition (Other)

Journal Section

Research Article

Authors

Gulnara Tastanbekova This is me
0000-0003-3532-5852
Kazakhstan

Zhenisbek Abdraimov This is me
0009-0002-1875-1569
Kazakhstan

Kalamkas Kulanbay ^* This is me
0000-0001-5119-9636
Kazakhstan

Abdugani Azimov This is me
0000-0002-1316-5854
Kazakhstan

Marat Atеmov This is me
0009-0005-0618-8619
Kazakhstan

Zhanibek Akbar This is me
0009-0002-6433-7959
Kazakhstan

Bakhytzhan Shayanbekova This is me
0000-0003-0399-6387
Kazakhstan

Adylkhan Balmakhanov This is me
0000-0002-7609-1346
Kazakhstan

Publication Date

October 1, 2025

Submission Date

December 27, 2024

Acceptance Date

July 18, 2025

Published in Issue

Year 2025 Volume: 14 Number: 4

DOI

https://doi.org/10.18393/ejss.1750269

IZ

https://izlik.org/JA38LA42TN

Cite

RIS / Bibtex

APA

Tastanbekova, G., Abdraimov, Z., Kulanbay, K., Azimov, A., Atеmov M., Akbar, Z., Shayanbekova, B., & Balmakhanov, A. (2025). Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management. Eurasian Journal of Soil Science, 14(4), 336-344. https://doi.org/10.18393/ejss.1750269

AMA

1.Tastanbekova G, Abdraimov Z, Kulanbay K, et al. Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management. EJSS. 2025;14(4):336-344. doi:10.18393/ejss.1750269

Chicago

Tastanbekova, Gulnara, Zhenisbek Abdraimov, Kalamkas Kulanbay, et al. 2025. “Comparative Agrochemical Assessment of Cultivated Soils in East Kazakhstan: Implications for Site-Specific Fertility Management”. Eurasian Journal of Soil Science 14 (4): 336-44. https://doi.org/10.18393/ejss.1750269.

EndNote

Tastanbekova G, Abdraimov Z, Kulanbay K, Azimov A, Atеmov M, Akbar Z, Shayanbekova B, Balmakhanov A (October 1, 2025) Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management. Eurasian Journal of Soil Science 14 4 336–344.

IEEE

[1]G. Tastanbekova et al., “Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management”, EJSS, vol. 14, no. 4, pp. 336–344, Oct. 2025, doi: 10.18393/ejss.1750269.

ISNAD

Tastanbekova, Gulnara - Abdraimov, Zhenisbek - Kulanbay, Kalamkas - Azimov, Abdugani - Atеmov Marat - Akbar, Zhanibek - Shayanbekova, Bakhytzhan - Balmakhanov, Adylkhan. “Comparative Agrochemical Assessment of Cultivated Soils in East Kazakhstan: Implications for Site-Specific Fertility Management”. Eurasian Journal of Soil Science 14/4 (October 1, 2025): 336-344. https://doi.org/10.18393/ejss.1750269.

JAMA

1.Tastanbekova G, Abdraimov Z, Kulanbay K, Azimov A, Atеmov M, Akbar Z, Shayanbekova B, Balmakhanov A. Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management. EJSS. 2025;14:336–344.

MLA

Tastanbekova, Gulnara, et al. “Comparative Agrochemical Assessment of Cultivated Soils in East Kazakhstan: Implications for Site-Specific Fertility Management”. Eurasian Journal of Soil Science, vol. 14, no. 4, Oct. 2025, pp. 336-44, doi:10.18393/ejss.1750269.

Vancouver

1.Gulnara Tastanbekova, Zhenisbek Abdraimov, Kalamkas Kulanbay, Abdugani Azimov, Marat Atеmov, Zhanibek Akbar, Bakhytzhan Shayanbekova, Adylkhan Balmakhanov. Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management. EJSS. 2025 Oct. 1;14(4):336-44. doi:10.18393/ejss.1750269