The influence of agrotechnological factors on the yield of spring barley in the conditions of the Leningrad region
https://doi.org/10.30766/2072-9081.2024.25.3.330-339
Abstract
The results of a comparative assessment of the influence of main agrotechnological factors on the harvest of spring barley cultivar ʻMoskovsky 86ʼ in natural and climatic conditions in the Leningrad Region are presented. The research was conducted between 2019 and 2021 on swardy cryptopodzol loamy sand soil. The scheme of micro field experiment included three studied factors: seeding rate (4, 5, and 6 million germinating seeds/ha), nitrogen fertilizer dose (N0 and N60) and herbicidal treatment (no treatment, Lintur, or EDG). According to the results of the research it was found that the seeding rate of 0.1 %, 28 %, and 18 % over the years of the study had a more stable influence on the yield of spring barley due to its less dependence on weather conditions. The yield of barley in the experiment (47.4 %) was more determined by the application of nitrogen fertilizer than by the seeding rate (13.9 %). These factors influenced mainly on the density of the productive stem, which increased with the raise in the seeding rate by 22.0–31.7 %. With the application of nitrogen fertilizer, it increased by 2.1 times (in 2019). Under conditions of acute moisture shortage, the effect of the herbicide on barley yields was weak (0.9–1.9 %) and not significant from the economic point of view. The impact of using the herbicide under stress was more evident in the variant without fertilizers. The formation of the highest yield of spring barley of the ʻMoskovsky 86ʼ cultivar (250 g/m2) was achieved due to the pre-sowing application of nitrogen fertilizer at a dose of 60 kg a.i./ ha, a seeding rate of 6 million germinating seeds/ha and herbicidal treatment.
Keywords
Hordeum vulgare L.,
seeding rate,
nitrogen fertilizers,
herbicide treatment,
yield,
elements of crop structure,
contribution of factors
Supporting agencies: the research was carried out under the support of the Ministry of Science and Higher Education of the Russian Federation within the state assignment of the Agrophysical Research Institute (theme No. FGEG-2022-0007).
About the Authors
M. A. Fesenko
Agrophysical Research Institute
Russian Federation
Russian Federation
Maria A. Fesenko, PhD in Agricultural Science, leading researcher
Grazhdansky pr., 14, Saint-Petersburg, 195220
A. M. Shpanev
Agrophysical Research Institute
Russian Federation
Russian Federation
Alexandеr M. Shpanev, DSc in Biology, chief researcher
Grazhdansky pr., 14, Saint-Petersburg, 195220
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For citations:
Fesenko M.A., Shpanev A.M. The influence of agrotechnological factors on the yield of spring barley in the conditions of the Leningrad region. Agricultural Science Euro-North-East. 2024;25(3):330-339. (In Russ.) https://doi.org/10.30766/2072-9081.2024.25.3.330-339
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