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Ukrainian Black Sea Region Agrarian Science

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Oleg Kovalenko

  • 5 Articles
  • 560 Views

Full Doctor in Agrisciences, Associate Professor
Mykolaiv National Agrarian University
54008, 9 Georgiy Gongadze Str., Mykolaiv, Ukraine
ORCID: 0000-0002-2724-3614

All articles

open access

Influence of possible surfaces on the formation of the bargain surface surface of the current hybrides

corn, hybrid, ripeness group, processing of leaf surface, microfertilizers, growth stimulant, bacterial preparation, grain, leaf surface area

V. Palamarchuk, Oleg Kovalenko
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open access

Energy evaluation of sorghum growing technology in the South of Mykolaiv region

energy equivalent, energy efficiency coefficient, energy costs, grain sorghum, sweet sorghum, biofuel, energy efficiency

Mykhailo Fedorchuk, Oleg Kovalenko, V. Havrysh, Anastasiia Chernova, Vasyl Hruban

DOI: 10.31521/2313-092X/2020-4(108)-05

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open access

Influence of seeding methods on the duration of the growing season and productivity of chickpea varieties

chickpeas, meteorological conditions, growing season, productivity, variety, seeding method

A. Dobrovolsky, Oleg Kovalenko, L. Andreychenko, N. Koloyanidi

DOI: 10.31521/2313-092X/2020-4(108)-7

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open access

Bioethanol producing from sorghum crops

grain sorghum; sugar sorghum; yield; starch yield; biofuel yield; energy efficiency

Valentina Gamayunova, Lyubov Khonenko, Oleg Kovalenko

https://doi.org/10.56407/2313-092X/2022-26(1)-1

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open access

Allelopathic activity of plants Hyssopus officinalis L.

medicinal hyssop; watercress; aqueous extracts; solution concentration; allelopathy; stimulation; inhibitory effect

Yevgenia Tkachova, Mykhailo Fedorchuk, Oleg Kovalenko

https://doi.org/10.56407/2313-092X/2022-26(4)-2

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