Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС»
Introduction In the Left-Bank Forest-Steppe of Ukraine, the reproduction of oak forests is primarily achieved through natural, planted, or combined methods. However, forest plantation establishment through planting remains the dominant approach. The success of reforestation by planting largely depen...
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| Datum: | 2023 |
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Ukrainian Research Institute of Forestry and Forest Melioration named after G. M. Vysotsky (URIFFM)
2023
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Forestry and Forest Melioration| _version_ | 1856543471635005440 |
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| author | Danylenko , O. M. Rumiantsev , M. Н. Tarnopilskyi , P. B. Yushchyk , V. S. Mostepaniuk , A. A. |
| author_facet | Danylenko , O. M. Rumiantsev , M. Н. Tarnopilskyi , P. B. Yushchyk , V. S. Mostepaniuk , A. A. |
| author_sort | Danylenko , O. M. |
| baseUrl_str | |
| collection | OJS |
| datestamp_date | 2023-09-04T11:54:54Z |
| description | Introduction
In the Left-Bank Forest-Steppe of Ukraine, the reproduction of oak forests is primarily achieved through natural, planted, or combined methods. However, forest plantation establishment through planting remains the dominant approach. The success of reforestation by planting largely depends on the type and quality of planting stock. In recent years, there has been a tendency to increase the amount of containerized planting stock, including English oak (Quercus robur L.). At the same time, the technological features for growing planted oak stands established with containerized seedlings remain understudied. These circumstances determined the relevance of the present study.
The aim of the study was to compare the main mensuration characteristics and the health condition of 12-year-old planted oak stands established with containerized seedlings grown both in open ground and greenhouse conditions, with root feeding with various fertilizers and the introduction of microbial preparations and superabsorbents into the soil mixture to intensify their growth.
Materials and Methods
The study was conducted on a permanent multivariate research plot laid out in the autumn of 2008, with containerized oak seedlings. The seedlings were grown both in open ground and greenhouse conditions. During the growing season, various methods for their growth intensification were used, in particular, root fertilization (watering) with various fertilizers and the introduction of microbial preparations and superabsorbents into the soil mixture.
In total, 11 variants of experimental plantations were established including the control. Six of the variants were established with the seedlings grown in open ground and five variants were established with the seedlings grown in the greenhouse conditions.
The mensuration characteristics of the planted young oak stands were determined and analyzed using the methods and standards generally accepted in forestry, reforestation, and forest mensuration. At the time of the latest accounting (September 2020), the age of the oak stands was 12 years.
Results
The study showed that the average height of the oak trees in the young stands established with the seedlings grown in the open ground was 4.7–5.4 m while for the greenhouse seedlings, it reached 5.2–5.4 m. The average diameter of the oak trees in young stands established with open-ground containerized seedlings was 40–50 mm. The average diameter of the oak trees planted with containerized seedlings from a greenhouse was 46–51 mm. According to the results of the records, the 12-year-old oak stands showed a high degree of oak preservation, which was 90–95%, depending on the variant.
Young oak stands were assessed as "weakened" in terms of their health condition (average index of the state of stands Ic = 1.77–2.06) in all experimental variants. The worst health condition was observed in the young stands established with bare-root seedlings (Ic = 2.23).
The average height increment over the 12-year period was 41–45 cm depending on the variant. All experimental variants exceeded the control (39 cm) by this value, and this excess made 5–15%.
Conclusions
English oak trees in the planted young oak stands established with containerized seedlings, during the cultivation of which various methods of growth intensification were used, at the age of 12 had higher mensuration characteristics compared to the oak trees in young stands established with seedlings without growth intensification. It is advisable to use such seedlings for additional planting in oak stands established with other types of planting stock. Due to their higher survival rates and high growth energy, they will successfully compete with unwanted grass and shrub vegetation in the first years after planting.
3 Figs., 4 Tables, 32 Refs. |
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| format | Article |
| id | oai:ojs2.forestry-forestmelioration.org.ua:article-370 |
| institution | Forestry and Forest Melioration |
| language | Ukrainian |
| last_indexed | 2026-02-08T08:03:45Z |
| publishDate | 2023 |
| publisher | Ukrainian Research Institute of Forestry and Forest Melioration named after G. M. Vysotsky (URIFFM) |
| record_format | ojs |
| spelling | oai:ojs2.forestry-forestmelioration.org.ua:article-3702023-09-04T11:54:54Z Features of the growth of planted young oak stands established with containerized seedlings in Kharkiv Forest Research Station Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС» Danylenko , O. M. Rumiantsev , M. Н. Tarnopilskyi , P. B. Yushchyk , V. S. Mostepaniuk , A. A. English oak (Quercus robur L.) seedling growing conditions fertilizers superabsorbents mensuration characteristics дуб звичайний (Quercus robur L.) умови вирощування сіянців добрива суперабсорбенти таксаційні показники Introduction In the Left-Bank Forest-Steppe of Ukraine, the reproduction of oak forests is primarily achieved through natural, planted, or combined methods. However, forest plantation establishment through planting remains the dominant approach. The success of reforestation by planting largely depends on the type and quality of planting stock. In recent years, there has been a tendency to increase the amount of containerized planting stock, including English oak (Quercus robur L.). At the same time, the technological features for growing planted oak stands established with containerized seedlings remain understudied. These circumstances determined the relevance of the present study. The aim of the study was to compare the main mensuration characteristics and the health condition of 12-year-old planted oak stands established with containerized seedlings grown both in open ground and greenhouse conditions, with root feeding with various fertilizers and the introduction of microbial preparations and superabsorbents into the soil mixture to intensify their growth. Materials and Methods The study was conducted on a permanent multivariate research plot laid out in the autumn of 2008, with containerized oak seedlings. The seedlings were grown both in open ground and greenhouse conditions. During the growing season, various methods for their growth intensification were used, in particular, root fertilization (watering) with various fertilizers and the introduction of microbial preparations and superabsorbents into the soil mixture. In total, 11 variants of experimental plantations were established including the control. Six of the variants were established with the seedlings grown in open ground and five variants were established with the seedlings grown in the greenhouse conditions. The mensuration characteristics of the planted young oak stands were determined and analyzed using the methods and standards generally accepted in forestry, reforestation, and forest mensuration. At the time of the latest accounting (September 2020), the age of the oak stands was 12 years. Results The study showed that the average height of the oak trees in the young stands established with the seedlings grown in the open ground was 4.7–5.4 m while for the greenhouse seedlings, it reached 5.2–5.4 m. The average diameter of the oak trees in young stands established with open-ground containerized seedlings was 40–50 mm. The average diameter of the oak trees planted with containerized seedlings from a greenhouse was 46–51 mm. According to the results of the records, the 12-year-old oak stands showed a high degree of oak preservation, which was 90–95%, depending on the variant. Young oak stands were assessed as "weakened" in terms of their health condition (average index of the state of stands Ic = 1.77–2.06) in all experimental variants. The worst health condition was observed in the young stands established with bare-root seedlings (Ic = 2.23). The average height increment over the 12-year period was 41–45 cm depending on the variant. All experimental variants exceeded the control (39 cm) by this value, and this excess made 5–15%. Conclusions English oak trees in the planted young oak stands established with containerized seedlings, during the cultivation of which various methods of growth intensification were used, at the age of 12 had higher mensuration characteristics compared to the oak trees in young stands established with seedlings without growth intensification. It is advisable to use such seedlings for additional planting in oak stands established with other types of planting stock. Due to their higher survival rates and high growth energy, they will successfully compete with unwanted grass and shrub vegetation in the first years after planting. 3 Figs., 4 Tables, 32 Refs. Наведено таксаційні показники штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в лісовому фонді державного підприємства «Харківська лісова науково-дослідна станція». Виявлено, що дуб звичайний (Quercus robur L.) у складі молодняків, створених сіянцями, під час вирощування яких застосовували методи інтенсифікації (кореневе підживлення добривами і внесення до ґрунтової суміші мікробних препаратів та суперабсорбентів), росте краще, порівнюючи з контролем (молодняками, створеними сіянцями без застосування підживлення добривами і внесення до ґрунтової суміші мікробних препаратів та суперабсорбентів). Сіянці дуба вирощували в умовах закритого і відкритого ґрунту в контейнерах з агроволокна на субстраті, що складався із суміші темно-сірого середньосуглинкового ґрунту й торфу у співвідношенні за об’ємом 3 : 1. Виявлено, що застосовані методи інтенсифікації росту сіянців позитивно вплинули на приживлюваність висаджених рослин на лісокультурній площі і подальший успішний ріст у культурах. Водночас із віком різниці між варіантами досліду зменшувалися. Ukrainian Research Institute of Forestry and Forest Melioration named after G. M. Vysotsky (URIFFM) 2023-06-29 Article Article application/pdf https://forestry-forestmelioration.org.ua/index.php/journal/article/view/370 10.33220/1026-3365.142.2023.79 Forestry and Forest Melioration; No. 142 (2023): Forestry and Forest Melioration; 79-88 Лісівництво і Агролісомеліорація; № 142 (2023): Лісівництво і Агролісомеліорація; 79-88 2663-4147 1026-3365 10.33220/1026-3365.142.2023 uk https://forestry-forestmelioration.org.ua/index.php/journal/article/view/370/338 http://creativecommons.org/licenses/by/4.0 |
| spellingShingle | дуб звичайний (Quercus robur L.) умови вирощування сіянців добрива суперабсорбенти таксаційні показники Danylenko , O. M. Rumiantsev , M. Н. Tarnopilskyi , P. B. Yushchyk , V. S. Mostepaniuk , A. A. Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС» |
| title | Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС» |
| title_alt | Features of the growth of planted young oak stands established with containerized seedlings in Kharkiv Forest Research Station |
| title_full | Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС» |
| title_fullStr | Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС» |
| title_full_unstemmed | Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС» |
| title_short | Особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в ДП «Харківська ЛНДС» |
| title_sort | особливості росту штучних дубових молодняків, створених сіянцями із закритою кореневою системою, в дп «харківська лндс» |
| topic | дуб звичайний (Quercus robur L.) умови вирощування сіянців добрива суперабсорбенти таксаційні показники |
| topic_facet | English oak (Quercus robur L.) seedling growing conditions fertilizers superabsorbents mensuration characteristics дуб звичайний (Quercus robur L.) умови вирощування сіянців добрива суперабсорбенти таксаційні показники |
| url | https://forestry-forestmelioration.org.ua/index.php/journal/article/view/370 |
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