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Influence of plant soil mixtures on plant vegetation
- Authors: Unitsky A.E.1, Zyl N.S.1, Tsyrlin M.I.1, Pavliuchenko A.M.1, Parfenchik M.M.1
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Affiliations:
- Unitsky String Technologies Inc.
- Issue: Vol 19, No 3 (2024)
- Pages: 447-458
- Section: Soil science and agrochemistry
- URL: https://agrojournal.rudn.ru/agronomy/article/view/20063
- DOI: https://doi.org/10.22363/2312-797X-2024-19-3-447-458
- EDN: https://elibrary.ru/BWZLPN
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Abstract
The study was focused on investigating the effect of composition of light soil on vegetation of lettuce plants. Nowadays, reducing the density of plant substrates is becoming an important component for obtaining quality products. This soil property is not so essential for growing crops in the field. But using a specially prepared substrate for cultivating plants in various types of multi-tier greenhouses, eco-villages with roof gardens, and private bio-domes, it is important. This feature is due to the following: the higher the density of the applied substrate, the greater the strength that needs to be considered when designing the supporting structure of objects and the more materials will be required. This means that the cost of construction will be higher. Therefore, the issue of creating a light, but at the same time fertile substrate for plants, which will allow obtaining environmentally friendly plant products and at the same time will have a low density relative to natural soil, is currently being actively studied. The light soil tested was perlite with addition of biohumus. For foliar feeding, uTerra organic complex was used. It was determined that the best variant for light soil was perlite with addition of 10% (by volume) of uTerra crumbly biohumus. Thus, the article discusses current issues of structure of fertile soil, possible options for composition of a lightweight substrate based on mineral components (perlite, expanded clay) and biohumus suitable for growth and development of plants. In addition, the experiment concerning the study of the influence of light soil on plant crops was described, conclusions are drawn and its results were substantiated. The final part summarizes the work done and outlines its future prospects.
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Table 1. Light soils
No. of soil mix | Perlite, % | Expanded clay, % | uTerra biohumus, % | UniTerra soil, % |
1 | 0 | 100 | 5* | 5 |
2 | 50 | 50 | 5 | 5 |
3 | 100 | 0 | 5 | 5 |
Note. * uTerra Biohumus and UniTerra humus have fine fraction which is distributed between particles of mineral material. Thus, the total volume of soil with addition of 10% of organic part remains the same — 100%.
Fig. 1. Cultivation of plants on light soils: a — 2021; б — 2023
Source: created by M.M. Parfenchik
Fig. 2. Experimental scheme for the effect of light soils based on perlite with addition of biohumus on growth and physiological parameters of Lactuca sativa L.
Source: created by A.M. Pavlyuchenko in BioRende
Fig. 3. Growth and development of lettuce plants on experimental variants of light soil with addition of biohumus
Source: created by A.M. Pavlyuchenko using MS Excel
Table 2. Results of growth and development of lettuce plants on light soils
Biohumus content,% | Growth rate, cm/day | Average fresh weight, g | Nitrates, mg/kg | Average number of internodes |
2.5 | 0.36 | 11.68 | 171.80 | 5.60 |
5.0 | 0.36 | 37.77 | 257.28 | 7.00 |
7.5 | 0.36 | 54.40 | 212.00 | 8.33 |
10.0 | 0.51 | 65.00 | 448.68 | 9.33 |
12.5 | 0.55 | 60.80 | 504.24 | 9.31 |
15.0 | 0.63 | 58.60 | 581.04 | 10.10 |
Fig. 4. Growth and development of lettuce plants on light soil with addition of biohumus in different concentrations
Source: created by М.М. Parfenchik
About the authors
Anatoly E. Unitsky
Unitsky String Technologies Inc.
Email: a@unitsky.com
ORCID iD: 0000-0003-1574-3539
General Designer
33 Zheleznodorozhnaya st., Minsk, 220089, Republic of BelarusNikifor S. Zyl
Unitsky String Technologies Inc.
Email: n.zil@unitsky.com
ORCID iD: 0009-0009-4591-8628
Head of the Biotechnology Department
33 Zheleznodorozhnaya st., Minsk, 220089, Republic of BelarusMikhail I. Tsyrlin
Unitsky String Technologies Inc.
Author for correspondence.
Email: m.tsirlin@unitsky.com
ORCID iD: 0000-0002-2983-3255
SPIN-code: 9548-6321
Candidate of Technical Sciences, Leading specialist
33 Zheleznodorozhnaya st., Minsk, 220089, Republic of BelarusAleksandr M. Pavliuchenko
Unitsky String Technologies Inc.
Email: a.pavlyuchenko@unitsky.com
ORCID iD: 0000-0002-7532-7281
SPIN-code: 4824-5428
Ecologist, Biotechnology department
33 Zheleznodorozhnaya st., Minsk, 220089, Republic of BelarusMikhail M. Parfenchik
Unitsky String Technologies Inc.
Email: m.parfenchik@unitsky.com
ORCID iD: 0009-0006-7656-463X
Agronomist, Biotechnology Department
33 Zheleznodorozhnaya st., Minsk, 220089, Republic of BelarusReferences
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