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Silva Fennica vol. 6 no. 1 | 1972

Category : Article

article id 4862, category Article
Finnish Society of Forest Science. (1972). Vuonna 1971 Suomessa ilmestyneitä metsätieteellisiä tutkimuksia. Silva Fennica vol. 6 no. 1 article id 4862. https://doi.org/10.14214/sf.a14665
English title: Forestry papers issued in Finland in 1971.
Original keywords: metsätieteet; metsäntutkimus; bibliografiat
English keywords: Finland; forest research; forest sciences; bibliographies
Abstract | View details | Full text in PDF | Author Info

The paper lists the forest publications of forest scientific research published in Finland in 1971 in five scientific series: Acta Forestalia Fennica, Silva Fennica, Communicationes Instituti Forestalis Fenniae, Folia Forestales, and Metsäteho Reports.

  • Finnish Society of Forest Science, E-mail:
article id 4861, category Article
Tauno Kallio, Yrjö Norokorpi. (1972). Kuusikon tyvilahoisuus. Silva Fennica vol. 6 no. 1 article id 4861. https://doi.org/10.14214/sf.a14664
English title: Butt rot in a Norway spruce stand.
Original keywords: kuusi; juurikääpä; laho; mesisieni; tyvilaho; kannot
English keywords: Norway spruce; Picea abies; stumps; Heterobasidion annosum; decay; Fomes annosus; Armillaria mellea
Abstract | View details | Full text in PDF | Author Info

The study was carried out in a Norway spruce (Picea abies (L.) H. Karst.) stand in Southern Finland which was to be clear-cut due to decay. The species composition and incidence of decay fungi were investigated from the cut surfaces of the stumps. In addition, the colour and size of the decayed spot was observed.

About 28% of the total number of trees were decayed. Fomes annosus (Heterobasidion annosum) was the most common decay fungus. It was identified from 75% of the decayed trees, and was the sole agent in 43% of these trees. Armillaria mellea was the second commonest decay fungus. It decayed trees mostly in combination with Fomes annosus. The most common colours of the decay produced by F. annosus were reddish or yellowish brown. The decay caused by A. mellea was blackish brown. The causative agent cannot be reliably identified on the basis of the colour of the decayed part.

The PDF includes a summary in English.

  • Kallio, E-mail: tk@mm.unknown (email)
  • Norokorpi, E-mail: yn@mm.unknown
article id 4860, category Article
Pentti Erjala, Jussi Saramäki. (1972). Astiakoemenetelmä suotyyppien lannoitustarpeen määrityksessä. Silva Fennica vol. 6 no. 1 article id 4860. https://doi.org/10.14214/sf.a14663
English title: Determination of the need for fertilizer application of drained peat soils with the pot method.
Original keywords: mänty; suotyyppi; turvemaat; lannoitus; ojitetut suot; ravinteiden puute; lannoitustarve
English keywords: Pinus sylvestris; fertilization; drained peatlands; Scots pine; nutrient deficiency; peatland type; need for fertilizers
Abstract | View details | Full text in PDF | Author Info

The possibilities of using a pot method to determine the need for fertilizer application were studied. Seedlings of Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) H. Karst.) were grown in peat samples that had cylindrical shape with a diameter of 25 cm and height of 35 cm. The samples represented three different peatland types, and were fertilized with two levels of phosphorus, potash and nitrogen. Two transplants were planted per pot. The development of the seedlings was followed for three years.

Phosphorus seemed to be of greatest importance for the growth of the seedlings, but nitrogen was also required in the poorest peatland type. Potash did not give statistically significant results. NPK application gave the best response. The usability of the method was studied by following the development of the roots. It seemed that the diameter of the pots was too small and restricted the growth of the root systems.

The PDF includes a summary in English.

  • Erjala, E-mail: pe@mm.unknown (email)
  • Saramäki, E-mail: js@mm.unknown
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 4858, category Article
Tauno Kallio. (1972). Erään 10-vuotiaan hybridihaapametsikön lahovikaisuus. Silva Fennica vol. 6 no. 1 article id 4858. https://doi.org/10.14214/sf.a14661
English title: Decay in a ten-year old stand of hybrid aspen.
Original keywords: sienitaudit; laho; hybridihaapa; bakteerit
English keywords: hybrid aspen; decay; fungal diseases; bacteria; Populus tremula x Populus tremuloides
Abstract | View details | Full text in PDF | Author Info

A ten-year old stand of hybrid aspen (Populus tremula x Populus tremuloides), growing in Southern Finland on about 1.5 ha of Oxalis-Myrtillus type (OMT) soil and affected by crown blight, was examined in 1971. The study revealed that almost all trees, both those removed by thinning and the remaining growing stock, were decayed. A number of bacteria, Fungi imperfecti species and ascomycetous fungi were isolated from the discoloured heartwood of the affected trees. No fungus of the Bacidiomycetes was found in the discoloured wood material.

The PDF includes a summary in English.

  • Kallio, E-mail: tk@mm.unknown (email)

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