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Eino Mälkönen, Vesa Aro-Heinilä, Seppo Kellomäki

Lannoituksen ja kastelun vaikutus männikön pintakasvillisuuteen.

Mälkönen E., Aro-Heinilä V., Kellomäki S. (1982). Lannoituksen ja kastelun vaikutus männikön pintakasvillisuuteen. Silva Fennica vol. 16 no. 1 article id 5157. https://doi.org/10.14214/sf.a15072

English title: Effect of fertilization and irrigation on the ground vegetation of a Scots pine stand.

Abstract

A mature Scots pine (Pinus sylvestris L.) stand growing on a site of the Vaccinium type in Southern Finland was fertilized with nitrogen-rich NPK fertilizer at a level of 150 kg pure nitrogen per hectare. The sample plots were also irrigated during four growing seasons. The total amount of irrigation during this period was 1,200 mm. Fertilization alone increased the coverage of grasses and dwarf shrubs. The culmination of the increase occurred during the second growing season after the start of the treatment. The rapid effect of irrigation on the coverage of ground vegetation was not so strong as that of fertilization. It was concluded on the basis of the developed growth model that the coverage of dwarf shrubs, especially Calluna vulgaris, was, however, increased with the fertilization treatment for a prolonged period. Fertilization and irrigation had no visible effect on the coverage of lichens and mosses.

The PDF includes a summary in Finnish.

Original keywords
aluskasvillisuus; mänty; lannoitus; kastelu; heinät; varvut; kanerva; peittävyys

English keywords
ground vegetation; Pinus sylvestris; Scots pine; fertilization; irrigation; grasses; dwarf shrubs; Calluna vulgaris

Published in 1982

Available at https://doi.org/10.14214/sf.a15072 | Download PDF

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