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Effect of microbiological agents on spring barley cultivated in the north of the Astrakhan region
- Authors: Naumova N.A.1
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Affiliations:
- Precaspian Agrarian Federal Scientific Center of the Russian Academy of Sciences
- Issue: Vol 17, No 4 (2022)
- Pages: 455-465
- Section: Crop production
- URL: https://agrojournal.rudn.ru/agronomy/article/view/19828
- DOI: https://doi.org/10.22363/2312-797X-2022-17-4-455-465
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Abstract
The aim of the study was to determine effectiveness of the use of microbiological agents in spring barley cultivation. The experiments were conducted in the conditions of light chestnut soils in the north of the Astrakhan region, Chernoyarsky district, Solenoe Zaymishche village in 2018-2020. The use of this cultural method contributed to two-fold increase in the productivity of spring barley (3.5 t/ha), compared with the control (without any seed treatment - 1 .4 t/ha). The pre-sowing inoculation of seeds increased field germination and number of mature plants: by 75 and 26.8 % for Mizorin, 79 and 40.9 % for BisolbiFit, 78 and 37.6 % for Rizoagrin, respectively, in comparison with the control. Application of these microbiological agents in spring barley cultivation can be recommended to both small and large farms, which will help to rise the agriculture of the region to a high level of production of spring barley.
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Table 1. Field germination and survival of spring barley plants depending on the microbiological agent, 2018—2020
Microbiological agent | Indicators | |||||
Seeding rate, million seeds per ha | Seedlings | Field germination, % | Number of mature plants | |||
million plants per ha | Excess over the control, % | million plants per ha | Excess over the control, % | |||
Control (without treatment) | 3.5 | 2.45 | — | 70 | 1.49 | — |
Mizorin | 3.5 | 2.62 | 6.9 | 75 | 1.89 | 26.8 |
BisolbiFit | 3.5 | 2.76 | 12.6 | 79 | 2.10 | 40.9 |
Rizoagrin | 3.5 | 2.73 | 11.4 | 78 | 2.05 | 37.6 |
LSD05 | — | 0.13 | 0.52 | 3.78 | 0.09 | 1.76 |
Table 2. Biological activity of soil depending on microbiological agent, 2018—2020
Microbiological agent | Soil horizon, cm | Biological activity of soil, % | Exess over the control, % | |||
Tillering | Booting | Maturity | Average | |||
Control (without treatment) | 0—10 | 14 | 16 | 14 | 16 | — |
10—20 | 10 | 14 | 12 | 12 | — | |
Mizorin | 0—10 | 19 | 25 | 29 | 24 | 50 |
10—20 | 12 | 19 | 24 | 18 | 50 | |
BisolbiFit | 0—10 | 36 | 47 | 42 | 42 | 163 |
10—20 | 20 | 28 | 26 | 28 | 133 | |
Rizoagrin | 0—10 | 29 | 36 | 33 | 33 | 106 |
10—20 | 22 | 27 | 21 | 23 | 92 | |
LSD05 | — | 1.01 | 2.65 | 2.51 | 2.45 | 7.21 |
Table 3. Spring barley productivity depending on microbiological agents, 2018—2020
№ | Microbiological agent | Mature plants per m2 | Mature productive stems per m2 | Spike | 1000 grains weight, g | |
Number of grains | Grain weight, g | |||||
1 | Control (without treatment) | 149 | 296 | 14 | 0.49 | 34.16 |
2 | Mizorin | 189 | 472 | 15 | 0.53 | 36.33 |
3 | BisolbiFit | 210 | 619 | 16 | 0.57 | 38.47 |
4 | Rizoagrin | 205 | 524 | 15 | 0.55 | 37.26 |
| LSD05 | 9.41 | 23.89 | 0.75 | 0.03 | 1.83 |
Table 4. Biological yield of spring barley depending on the microbiological agent used, 2018—2020
Microbiological agent | Yield, t/ha | Standard deviations (+/–) | ||||
2018 | 2019 | 2020 | Average | t/ha | % | |
Control | 1.32 | 1.92 | 1.13 | 1.45 | — | — |
Mizorin | 2.62 | 2.81 | 2.07 | 2.50 | +1.05 | 72.41 |
BisolbiFit | 3.57 | 3.68 | 3.31 | 3.52 | +2.07 | 142.75 |
Rizoagrin | 2.83 | 3.12 | 2.69 | 2.88 | +1.43 | 98.62 |
LSD05 | 0.13 | 0.14 | 0.12 | — | — | — |
About the authors
Nina A. Naumova
Precaspian Agrarian Federal Scientific Center of the Russian Academy of Sciences
Author for correspondence.
Email: Naumovana84@mail.ru
ORCID iD: 0000-0002-3755-9241
Head of the Laboratory of Plant Resources of the Integrated Land Reclamation Department
8 kv. Severny st., Solenoe Zaimishche vill., Chernoyarsky District, Astrakhan Region, 416251, Russian FederationReferences
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