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Carl Johan Westman, Matti Leikola, Tapio Nummi

Käytännön typpilannoituksen vaikutus varttuneiden kuusikoiden kasvuun ja tuotokseen.

Westman C.J., Leikola M., Nummi T. (1985). Käytännön typpilannoituksen vaikutus varttuneiden kuusikoiden kasvuun ja tuotokseen. Silva Fennica vol. 19 no. 4 article id 5253. https://doi.org/10.14214/sf.a15432

English title: The effect of large-scale nitrogen fertilization on growth and yield of mature Norway spruce stands in south-western Finland.

Abstract

A method for calculation of the effect of practical fertilization for economic evaluation is presented and discussed. 55 Norway spruce (Picea abies (L.) H. Karst.) dominated stands on Oxalis-Myrtillus type sites were surveyed five to eight years after fertilization with nitrogen (90-170 kg/ha). The relationships between the fertilization effect and various stand characteristics were discussed. Fertilization increased the growth of the stands on an average by 2.2 m3/ha/year. In total the increase of tree growth during the research period was 17.5 m3/ha. This corresponds to a yield of 525–659 FIM/ha.

The PDF includes a summary in English.

Original keywords
lannoitus; tilavuuskasvu; kannattavuus; typpilannoitus; kuusi; metsätyyppi

English keywords
fertilization; nitrogen fertilization; volume growth; Picea abies; Norway spruce; profitability

Published in 1985

Available at https://doi.org/10.14214/sf.a15432 | Download PDF

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