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Silva Fennica 1926-1997
1990-1997
1980-1989
1970-1979
1960-1969
Acta Forestalia Fennica
1953-1968
1933-1952
1913-1932

Articles containing the keyword 'metsänviljely'

Category : Article

article id 4859, category Article
Eljas Pohtila. (1972). Istutuskuoppaan annetun kuparihienofosfaatin vaikutus männyn ja kuusen taimien elossapysymiseen ja pituuskasvuun eräällä kulotetulla ja auratulla uudistusalalla Koillis-Suomessa. Silva Fennica vol. 6 no. 1 article id 4859. https://doi.org/10.14214/sf.a14662
English title: Effect of fine-grounded copper rock phosphate placed in the planting hole on the survival and height growth of Scots pine and Norway spruce in a burnt and furrowed reforestation are in northeast Finland.
Original keywords: kuusi; mänty; metsänviljely; taimet; lannoitus; kuolleisuus; pituuskasvu; fosforilannoitus
English keywords: Pinus sylvestris; Norway spruce; fertilization; Picea abies; Scots pine; height growth; planting; phosphorus; mortality; copper; seedlings
Abstract | View details | Full text in PDF | Author Info

The paper describes the results of a fertilization experiment, in which transplants of Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) H. Karst.) were fertilized with various doses of fine-ground copper rock phosphate (33% P2O5, 4% Cu) placed direct in the planting hole. The experiment was made in northeast Finland on a clear-cut, burnt-over and furrowed moraine heath. The fertilization increased especially the survival and condition of the Scots pines and increased to some extent also the height growth of the plants. The spruce survived better than the pines.

The PDF includes a summary in English

  • Pohtila, E-mail: ep@mm.unknown (email)
article id 4847, category Article
Pentti K. Räsänen, Matti Hiltunen. (1971). Männyn erilaisten taimierien istutuskelpoisuudesta. Silva Fennica vol. 5 no. 3 article id 4847. https://doi.org/10.14214/sf.a14649
English title: The effect of differences in Scots pine nursery stock on the field survival and growth.
Original keywords: mänty; metsänviljely; istutus; kasvu; taimet; varastointi; kastelu; kuolelisuus
English keywords: Pinus sylvestris; Scots pine; planting; growth; mortality; storage; seedlings; watering
Abstract | View details | Full text in PDF | Author Info

Scots pine (Pinus sylvestris L.) seedlings were stored for five days in an ordinary wood shed. One half of the seedlings were planted out directly, and another half after soaking the roots of the seedlings for 3–6 hours in water to compensate the possible water deficit developed. According to the results of the experiment, the effect of watering was extremely small. The difference observed, which was in favour of the trees that had been watered during storage, was discernible only in the needle length and in the number of lateral buds; in mortality or in the growth of the seedlings no difference could be observed.

The PDF includes a summary in English.

  • Räsänen, E-mail: pr@mm.unknown (email)
  • Hiltunen, E-mail: mh@mm.unknown
article id 4832, category Article
Paavo Yli-Vakkuri, Pentti K. Räsänen. (1971). Siementen peittämisen ja kylvökohdan polkaisun vaikutus männyn ruutukylvön tulokseen. Silva Fennica vol. 5 no. 1 article id 4832. https://doi.org/10.14214/sf.a14621
English title: The influence of covering and tramping the seeds into the soil on the success of spot sowing of Scots pine.
Original keywords: kylvö; mänty; metsänviljely; taimettuminen; itäminen; kylvösyvyys; siementen suojaus; ruutukylvö
English keywords: Pinus sylvestris; germination; Scots pine; sowing; artificial regeneration; covering of the seeds; stocking with seedlings
Abstract | View details | Full text in PDF | Author Info

This paper reports spot sowing experiments of Scots pine (Pinus sylvestris L.). The seeds were either covered with coarse sand, tramped in the substrate or sowed without any covering, 30 seeds in each treatment in 70 replications. The site was of Vaccinium type with sandy soil. The germination percentage was 81 and 91 on the respective years. The development of seedlings was observed for 3–4 years.

The results indicate that both tramping and covering the seeds to some extent increased the number of seedlings and improved the early development. The highest numbers of seedlings were recorded in the first growing season, after which there was 23 seedlings/100 seeds in the uncovered spots, 27 seedlings in the covered spots and 31 seedlings in the tramped spots in the experiment sowed in 1965.

Mortality of the seedlings was highest between the first and second growing season, and empty spots increased with the time. There was no difference in mortality between the sowing methods, but the number of seedlings after first growing season affected the result. Under favourable conditions four seedlings per spot seemed enough to secure the survival of minimum one seedling per spot during the three first growing seasons. In poor conditions seven seedlings was needed.

The PDF includes a summary in English.

  • Yli-Vakkuri, E-mail: py@mm.unknown (email)
  • Räsänen, E-mail: pr@mm.unknown
article id 4813, category Article
Bo Långström. (1970). Pakkaustapojen vaikutuksesta talvivarastoitujen männyn taimien istutukseen. Silva Fennica vol. 4 no. 1 article id 4813. https://doi.org/10.14214/sf.a14602
English title: The effect of packing methods on the field survival and growth of winter-stored plants of Scots pine.
Original keywords: mänty; metsänviljely; istutus; kasvu; taimet; kylmävarasto; talvivarastointi; kuolleisuus; tukkimiehentäi; torjunta-aine
English keywords: Pinus sylvestris; nursery; Scots pine; planting; seedlings; cold storage; winter storage; Hylobious abietis; large pine weevil; insecticide; field survival; packing methods
Abstract | View details | Full text in PDF | Author Info

The aim of the study was to investigate the effect of four packing methods on the field survival and growth of seedlings and transplants of Scots pine (Pinus sylvestris L.) stored over the winter in a cold-storage cellar. The following sorts of plants were used: one-year-old seedlings (1+0) grown in a plastic greenhouse, two-year-old (2+0) open grown seedlings and three-year-old open grown transplants. These plants were stored in open wooden boxes, in sealed plastic bags, in boxes with wet peat on the bottom and in plastic-laminated paper bags.

The control plants were of the same types and were kept in a nursery over the winter. The storage was carried out in a mantle-chilled cold-storage from October 1966 to May 1967. The temperature in the cold-storage was kept around -2 °C and the relative humidity of the air over 90%. The water content of a randomly selected sample plants showed no increase in water deficit after the storing. Part of the seedlings were transplanted in the nursery and the rest were planted in a clear-cut area. A number of the latter plants were treated with an insecticide (1% Intaktol, which contains DDT, Lindane and dieldrin) before planting. All the experiments were examined after one growing season and the planting experiments the next fall.

The transplants (2+1) in the nursery, and in the forest had survived and grown better than the seedlings. In the nursery the 1+0 seedlings survived and grew better than the 2+0 seedlings. There was no difference in mortality between the seedlings. After the first growing season occasional significant differences between the packing methods were observed, but they disappeared during the second growing season. Thus, all packing methods proved to be as successful as the control method without winter storage.

Transplants were more often attacked by the large pine weevil (Hylobius abietis L.) than the smaller seedlings. The damage, however, was considerably greater on the seedlings because of their lower resistance. No significant differences in the Hylobius-attack between the packing methods could be observed. The Intaktol-treated plants were as often attacked as the untreated ones, but the damage was slighter on the treated ones.

The PDF includes a summary in English.

  • Långström, E-mail: bl@mm.unknown (email)
article id 4812, category Article
Pentti K. Räsänen, Aarno Koukkula, Paavo Yli-Vakkuri. (1970). Pakkauksen, varastoimisen ja valeistutuksen vaikutus männyn taimien istutuskelpoisuuteen. Silva Fennica vol. 4 no. 1 article id 4812. https://doi.org/10.14214/sf.a14601
English title: The effect of packing, storing and heeling-in on the field survival and growth of Scots pine seedlings.
Original keywords: mänty; metsänviljely; istutus; metsäpuun taimet; taimet; varastointi; kuolleisuus; kastelu; tukkimiehentäi
English keywords: Pinus sylvestris; Scots pine; planting; mortality; storage; Hylobius abietis; seedlings; large pine weevil; insecticide; field survival
Abstract | View details | Full text in PDF | Author Info

The aim of the present study was to establish, by means of planting experiments, the influence of different packing, heeling-in and watering as well as the length of the storage period on the development of Scots pine (Pinus sylvestris L.) seedlings, in all 2,090 seedlings, that had been lifted from the nursery bed in spring. The plants were packed in bundles and into plastic sacks in 1965 (6 storage methods) and in 1966 (3 storage methods). Control seedlings were planted without storing at the time when storage of the test material begun. The plantations were followed 3–4 years.

Storage for two weeks in the different ways and planting without storage gave similar results when seedling survival was compared. Storage in plastic sack proved to be as good as storage in bundles in a cellar, and healing-in in moist soil or in a drain were both usable methods. Watering the seedlings did not improve the results, which indicates that the storage caused no serious lack of water.

After four growing seasons an average of 19,6% of the seedlings of the 1965 experiment died, the bulk of them by the end of the first growing season. Despite control treatment, Hylobious abietis caused serious damages. In the plantations of the year 1966 mortality of the seedlings was under 5% by the end of third growing season. During the first two growing seasons after planting differences in growth of the seedlings stored in different ways could be observed in the plantations of the year 1965, but the differences levelled out later. In the plantations established in 1966 no differences in growth occurred.

The PDF includes a summary in English.

  • Räsänen, E-mail: pr@mm.unknown (email)
  • Koukkula, E-mail: ak@mm.unknown
  • Yli-Vakkuri, E-mail: py@mm.unknown
article id 4769, category Article
Paavo Yli-Vakkuri, Aimo Autio, Juhani Vehkaoja. (1968). Päätehakkuun ja metsänviljelyn välinen aika. Silva Fennica vol. 2 no. 3 article id 4769. https://doi.org/10.14214/sf.a14554
English title: Time lag between final cutting and regeneration.
Original keywords: kylvö; metsänviljely; istutus; uudistaminen; uudistusaika; istutusrästit; viivästys
English keywords: planting; final felling; sowing; artificial regeneration; seeding; time lag
Abstract | View details | Full text in PDF | Author Info

The time interval between final felling and plantation means a waste of time and thus a production loss, and may lead to lush growth of ground cover and hardwood sprouts, which increases expenses in forest management. The objective of this study was to determine the length of time between final felling and artificial regeneration in private forests in the forest districts of Uusimaa-Häme in Southern Finland and Pohjois-Häme in Central Finland. The material consists of a sample of 150 plans of the 952 cutting and regeneration plans in the district of Uusimaa-Häme and a sample of 140 plans of the 1,102 plans in Pohjois-Häme.

The time lag between final cutting and seeding or planting was on average 1.4 years in Pohjois-Häme district and 0.7 years in Uusimaa-Häme. In the latter district, 56% of the logged area was regenerated in the spring immediately following the cutting, and 84% not later than in the second spring. In Pohjois-Häme, 29% of the harvested area was regenerated immediately in the first spring following cutting, and 79% not later than in the third spring following cutting.

In Pohjois-Häme, the interval was shortest in the smallest forest holdings, and longest in the largest holdings with the largest regeneration areas. The length seems to depend mainly on the size of the regeneration area. In Uusimaa-Häme district, the interval was shortest in the smallest holdings, rather short in the largest, and longest in the intermediate-size forest properties. Seeding with Scots pine (Pinus sylvestris L.) was used in almost all regeneration areas.

The forest owners had mainly carried out the regeneration work themselves. In the Pohjois-Häme area, the interval was shorter when the district forestry board regenerated the area. 35% of the regenerated areas had required supplementary planting in Pohjois-Häme, and 47% in the Uusimaa-Häme area. Supplementary planting was more common in areas regenerated later after the cutting. In Pohjois-Häme, according to the reports of the forest owners, 75% of the regenerated areas required tending during the first three years, in Uusimaa-Häme, 80%.

The PDF includes a summary in English.

  • Yli-Vakkuri, E-mail: py@mm.unknown (email)
  • Autio, E-mail: aa@mm.unknown
  • Vehkaoja, E-mail: jv@mm.unknown
article id 4637, category Article
Eero Paavola. (1953). Selostus kenttäkokeista, jotka koskivat eräiden kemiallisten aineiden käyttömahdollisuuksia metsänkylvössä. Silva Fennica no. 80 article id 4637. https://doi.org/10.14214/sf.a14053
English title: Review of field experiments on the fitness of certain chemicals for use at seeding.
Original keywords: metsäopetus; kylvö; metsänviljely; jatkokoulutus; metsänuudistaminen; heinäntorjunta; herbisidit; torjunta-aineet
English keywords: ground vegetation; herbicides; forest regeneration; forest education; seeding
Abstract | View details | Full text in PDF | Author Info

Silva Fennica Issue 80 includes presentations held in 1952 in the 7th professional development courses, arranged for foresters working in the Forest Service. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service.

This presentation describes a field experiment on the use of herbicides to prevent growth of ground vegetation in cutting areas before sowing. The study suggests that the chemicals used in the experiment were not effective enough to prevent growth of ground vegetation in the more fertile lands, but were effective in poorer lands. However, the treatment affected also growth of tree seedlings.

  • Paavola, E-mail: ep@mm.unknown (email)
article id 4628, category Article
Gustaf Sirén. (1952). Havaintoja Peräpohjolan valtion mailla vuosina 1948-50 suoritetuista männyn kylvöistä. Silva Fennica no. 78 article id 4628. https://doi.org/10.14214/sf.a9100
English title: Observations on stands of Scots pine sown in state forests in Peräpohjola in northern Finland in 1948-50.
Original keywords: Pohjois-Suomi; valtionmetsät; kylvö; mänty; metsänviljely; Peräpohjola; uudistuminen
English keywords: Pinus sylvestris; regeneration; Scots pine; northern Finland; state forests; sowing
Abstract | View details | Full text in PDF | Author Info

The most common way to artificially regenerate cutting areas in Northern Finland has been sowing, which has, however, often given poor results. The aim of the study was to assess the success rate of sowing and study the causes of poor regeneration.

An inventory was made of 28 areas on Empetrum-Myrtillus and Hylocomnium-Myrtillus type sites sown with Scots pine (Pinus sylvestris L.) seeds in 1948-1950. In addition, to study the effect of substrata, a sowing experiment was established. According to the inventory, regeneration failed completely in 8 and partially in 6 of the 28 sown areas. Factors that explained the poor regeneration included unfavourable weather conditions in 1948-1952, insufficient clearing of sowing spot especially when the humus layer was thick, and insect damage by Otiorynchus dubius weevil.

The article includes a summary in English.

  • Sirén, E-mail: gs@mm.unknown (email)
article id 4568, category Article
Atri S. Arimo. (1939). Paloalojen metsittämisestä. Silva Fennica no. 52 article id 4568. https://doi.org/10.14214/sf.a13975
English title: Forest regenration of burned areas.
Original keywords: metsäopetus; kylvö; metsänviljely; metsänhoitajien jatkokurssit; kulotus; metsäpalo; jatkokoulutus; metsänuudistaminen; kulo
English keywords: regeneration; planting; forest fire; forest education; sowing; professional development courses
Abstract | View details | Full text in PDF | Author Info

Silva Fennica issue 52 includes presentations held in professional development courses, arranged for foresters working in public administration in 1938. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service.

This presentation describes preparation and forest regeneration methods of a burned area.

  • Arimo, E-mail: aa@mm.unknown (email)
article id 4559, category Article
A. A. Räsänen. (1939). Metsien uudistamisesta Perä-Pohjolassa. Silva Fennica no. 52 article id 4559. https://doi.org/10.14214/sf.a13966
English title: Forest regeneration in Northern Finland.
Original keywords: hakkuut; metsäopetus; metsänviljely; metsänhoitajien jatkokurssit; jatkokoulutus; maanmuokkaus; metsänuudistaminen; Lappi; yli-ikäiset metsät
English keywords: forest management; Norway spruce; Picea abies; regeneration; fellings; forest education; professional development courses
Abstract | View details | Full text in PDF | Author Info

Silva Fennica issue 52 includes presentations held in professional development courses, arranged for foresters working in public administration in 1938. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service.

This presentation describes the state of forests in Northern Finland, and suggests that fellings are targeted at the oldest forests until the over-presented over-aged forest are harvested. The preferred regeneration method is natural regeneration in most forest types.

  • Räsänen, E-mail: ar@mm.unknown (email)
article id 4542, category Article
Erkki Laitakari. (1938). Eräitä metsän uudistamisessa huomioon otettavia näkökohtia. Silva Fennica no. 46 article id 4542. https://doi.org/10.14214/sf.a13951
English title: Forest regeneration.
Original keywords: metsäopetus; metsänviljely; metsänhoitajien jatkokurssit; luontainen uudistaminen; metsänuudistaminen
English keywords: natural regeneration; planting; forest education; professional development courses; articifial regeneration
Abstract | View details | Full text in PDF | Author Info

Silva Fennica issue 46 includes presentations held in professional development courses, arranged for foresters working in public administration in 1937. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service. 

This presentation describes factors that should be taken into account in forest regeneration. 

  • Laitakari, E-mail: el@mm.unknown (email)
article id 4536, category Article
V. K. Ahola. (1938). Metsän uudistumisen tarkkailusta kovilla metsämailla ja ojitetuilla soilla sekä ojien tarkkailusta. Silva Fennica no. 46 article id 4536. https://doi.org/10.14214/sf.a13945
English title: Inspection of regeneration of forests in mineral soil forests and drained peatlands and checking of ditches.
Original keywords: valtionmetsät; ojitus; metsäopetus; metsänviljely; metsänhoitajien jatkokurssit; luontainen uudistaminen; suot; hoitoalueet; taimettuminen; taimikko; ojitusalueet
English keywords: natural regeneration; drained peatlands; peatlands; seedling stands; forest education; state forests; artificial regeneration; professional development courses; districts
Abstract | View details | Full text in PDF | Author Info

Silva Fennica issue 46 includes presentations held in professional development courses, arranged for foresters working in public administration in 1937. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service. 

This presentation describes inspection of forest regeneration of mineral soil forest types and drained peatlands, and inspection of ditches. 

  • Ahola, E-mail: va@mm.unknown (email)
article id 4530, category Article
O. J. Lukkala. (1938). Ojitettujen soiden metsittämisestä. Silva Fennica no. 46 article id 4530. https://doi.org/10.14214/sf.a13939
English title: Afforestation of drained peatlands.
Original keywords: valtionmetsät; Metsähallitus; ojitus; metsäopetus; metsänviljely; metsänhoitajien jatkokurssit; luontainen uudistaminen; metsitys; suot
English keywords: afforestation; natural regeneration; drained peatlands; peatlands; forest regeneration; Forest Service; forest education; state forests; professional development courses
Abstract | View details | Full text in PDF | Author Info

Silva Fennica issue 46 includes presentations held in professional development courses, arranged for foresters working in public administration in 1937. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service. 

This presentation describes afforestation of drained peatlands. 

  • Lukkala, E-mail: ol@mm.unknown (email)
article id 4479, category Article
L. E. T. Borg. (1936). Hankikylvöt Tuomarniemen hoitoalueessa vv. 1913-1930. Silva Fennica no. 38 article id 4479. https://doi.org/10.14214/sf.a9065
English title: Areas broadcast sown on snow in Tuomarniemi district in Finland in 1913-1930.
Original keywords: kuusi; Picea abies; kylvö; euroopanlehtikuusi; kylvömenetelmät; hankikylvö; Larix decidua; mänty; metsänviljely; Pinus sylvestris
English keywords: Norway spruce; sowing; broadcast sowing on snow; Socts pine; artificial regeneration
Abstract | View details | Full text in PDF | Author Info

Broadcast sowing on snow was relatively new method in the beginning of the 20th century in Finland, and the experiences of regeneration were diverse. The aim of the survey was to study the success rate of regeneration in the oldest and largest areas regenerated with this sowing method in Tuomarniemi district. Scots pine (Pinus sylvestris L.) was the most common tree species, but also Norway spruce (Picea abies (L.) H. Karst.) and European larch (Larix decidua Mill.) were used in broadcast sowing on snow.

According to the study, the success of broadcast sowing on snow was as good as patch sowing and sowing in furrows in the sites typical for Tuomarniemi. The regeneration areas were often drained peatlands or paludified lands. When sowing is done using Norway spruce seeds, site preparation either by broadcast burning or scalping with hoe is recommended. Mixed sowing with pine and spruce seldom succeeded due to the differences in site requirements of the species and growth of seedlings. Sowing of Scots pine succeeded well on the drained peatlands. Sowing should be done some years after draining to let the peat dry and sink. Site preparation is needed in sites growing Polytrichum-moss. Broadcast burned areas larger than 10 hectares seemed to regenerate poorer than sites in average, possibly due to dryness of the sites. Trials with European larch were successful, and the growth of the seedlings acceptable despite the sites being relatively poor for the species.

The PDF includes a summary in German.

  • Borg, E-mail: lb@mm.unknown (email)

Category : Article

article id 7300, category Article
Olli Heikinheimo. (1934). Metsänviljelysmenetelmiä koskevista tutkimuksista. Acta Forestalia Fennica vol. 40 no. 23 article id 7300. https://doi.org/10.14214/aff.7300
English title: Research on forest regeneration methods.
Original keywords: metsäntutkimus; metsänviljely; metsän uudistaminen; viljelykoe
English keywords: articifial regeneration; forest researc
Abstract | View details | Full text in PDF | Author Info

The article is a review on the research about forest regeneration in Finland, executed in the Forest Research Institute. The climate affects the results of different regeneration methods. Thus, sample plots have been established in different parts of the country. In 1933 there was a total of 386 sample plots around the country. To compare the effect of weather conditions in the regeneration, sample plots have been established in successive years. Other conditions that affect forest regeneration are soil, forest site type, tree species, time from the felling of the stand, and tending of the seedling stand. Of the 386 sample plots 245 were planting experiments and 141 sowing experiments.

The PDF includes a summary in German.

  • Heikinheimo, E-mail: oh@mm.unknown (email)

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