Use of Various Fertilizers to Increase the Yield of Maze in the Stavropol Krai

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Abstract

In 2021–2023, in the experimental field of the All-Russian Corn Research Institute in the zone of sufficient moisture in the Stavropol Krai the effectiveness of pre-sowing application of ammonium nitrate (N30) and nitroammophoska (N30P30K30) to the soil was studied in comparison with non-root fertilization of maze plants in the 8-leaf phase with Batr Zinc fertilizer (1.0 l/ha). On average, over the period of 3 years, the height of Mashuk 220 MV hybrid plants increased from ammonium nitrate by 12, nitroammophoska by 17, from fertilizing with Batr Zinc fertilizer by 16 cm, Mashuk 355 MV hybrid – by 19, 23 and 23 cm, respectively. From the listed fertilizers, green mass yield increases were obtained: on average for 3 years, for the Mashuk 220 MV hybrid they amounted to 5.0, 6.7, 6.0 t/ha, respectively, and for the Mashuk 355 MV hybrid – 4.1, 7.0, 6.8 t/ha. Fertilizers increased grain yields annually. The average grain yield increase of Mashuk 220 MV hybrid from ammonium nitrate was 0.64, from nitroammophoska – 0.40, from Batr Zinc fertilizer – 0.63 t/ha. The grain yield of Mashuk 355 MV hybrid from fertilizers increased by 0.71, 0.81 and 0.74 t/ha, respectively. The cost of using ammonium nitrate as a fertilizer amounted to 2566.96, nitroammophoska – 8001.87 rub./ha. The cost of carrying out foliar fertilization of corn plants with Batr Zinc fertilizer amounted to 1030.69 rub./ha. The cost of using nitroammophoska did not pay off with an increase in grain yield. Fertilizing plants of Mashuk 220 MV hybrid with Batr Zinc fertilizer for every 1 rub. of costs gave an income of 6.33 rub., Mashuk 355 MV hybrid – 7.62 rub., which was 3.2–3.3 times more than the introduction of ammonium nitrate into the soil.

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About the authors

V. N. Bagrintseva

All-Russian Research Scientific Institute of Corn

Author for correspondence.
Email: maize-techno@mail.ru
Russian Federation, ul. Ermolova 14o, Pyatigorsk 357528

I. N. Ivashenenko

All-Russian Research Scientific Institute of Corn

Email: maize-techno@mail.ru
Russian Federation, ul. Ermolova 14o, Pyatigorsk 357528

V. V. Dridiger

All-Russian Research Scientific Institute of Corn

Email: maize-techno@mail.ru
Russian Federation, ul. Ermolova 14o, Pyatigorsk 357528

O. D. Serova

All-Russian Research Scientific Institute of Corn

Email: maize-techno@mail.ru
Russian Federation, ul. Ermolova 14o, Pyatigorsk 357528

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