Tutuchkina AS, Terekhova SS.

Animal Husbandry and Fodder Production. 2026. Vol. 109. No. 2. Р. 298-311.

doi: 10.33284/2658-3135-109-2-298

Original article

The effect of fertilizers on sweet corn productivity in the central zone of Krasnodar krai

 

Alina S Tutuchkina1, Svetlana S Terekhova2

1National Grain Center named after PР Lukyanenko, Krasnodar, Russia

2Kuban State Agrarian University named after IT Trubilin, Krasnodar, Russia

1agrotatnew@mail.ru, https://orcid.org/0000-0001-5937-462Х

2agrotatnew@mail.ru, https://orcid.org/0009-0003-4706-5768

Abstract. The article presents data on the effect of nitrogen fertilizers and foliar feeding on the elements of crop structure and yield of sweet corn hybrids. Nitrogen fertilizers were applied during pre-sowing cultivation at a dose of N40 using ammonium nitrate (N35.5), urea (N46) and urea in a polymer shell, which creates a prolonged effect with a gradual release of nutrients - Ruscote (N46). Top dressing was  carried  out  both  without nitrogen fertilizers and with their application at the onset of the 3-5 and 7-8 leaf phases of corn using the organomineral fertilizer "Polidon Bio Corn", the natural-plant complex "White Pearl Corn + Zn chelate" and the microbiological fertilizer "Geostim Fit Zh". The studies were carried out on a mid-early hybrid bred at the National Grain Center named after PP Lukyanenko – Krasnodar Sugar 280 SV. The use of nitrogen nutrition contributed to an average increase in the number of cobs formed on plants over three years by 7.8 per 100 plants, while foliar feeding increased the number by 4.5, and their combined effect increased the number by 10.9 per 100 plants. The combined use of Ruscote nitrogen fertilizer and Polidon Bio Corn organomineral fertilizer resulted in the highest yield increase in the experiment compared to the control (2.37 t/ha, or 33.3%).

Keywords: sweet corn, nitrogen fertilizers, foliar fertilization, number of ears, yield structure, productivity

Acknowledgments: the work was supported out in accordance with the research plan for 2023-2025 of the Federal State Budgetary Scientific Institution «National Grain Center named after PP Lukyanenko» (No. FGRR-2025-0101).

For citation: Tutuchkina AS, Terekhova SS. The effect of fertilizers on sweet corn productivity in the central zone of Krasnodar krai. Animal Husbandry and Fodder Production. 2026;109(2):298-311. https://doi.org/10.33284/2658-3135-109-2-298

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Information about the authors:

Alina S Tutuchkina, Researcher at the Laboratory of Agriculture, Agrotechnological Department, National Grain Center named after PP Lukyanenko, 38 St. named after Academician PP Lukyanenko, Krasnodar, 350012, tel.: 8(861) 222‑67‑47.

Svetlana S Terekhova, Cand. Sci (Agriculture), Professor, Kuban State Agrarian University named after IT Trubilin, 13 Kalinina St., Krasnodar, 350044, tel.: 8(861) 221‑59‑42.

The article was submitted 11.02.2026; approved after reviewing 20.03.2026; accepted for publication 15.06.2026.

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