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Irja Lehtonen, Seppo Kellomäki, Carl Johan Westman

Ravinteiden kierto eräässä männikössä.

Lehtonen I., Kellomäki S., Westman C.J. (1976). Ravinteiden kierto eräässä männikössä. Silva Fennica vol. 10 no. 4 article id 4952. https://doi.org/10.14214/sf.a14798

English title: Nutrient cycle in a Scots pine stand. II. Amount and quality of precipitation in a Scots pine stand at the pole stage.

Abstract

This study forms part of a project designed to elucidate the total nutrient budget of a Scots pine (Pinus sylvestris L.) stand in Central Finland during the 1974 growing period. Precipitation has been divided up into precipitation, throughfall and stemflow.

The acidity of the rainwater was found to increase in the order – Precipitation, throughfall and stemflow. The electrolyte content of the rain water from throughfall and stemflow was higher than that of precipitation. The nutrient contents of precipitation were rather low. Throughfall and stemflow were found to leach some nutrient from the trees. This was most clear in the case of potassium. The total amounts of nutrients reaching the ground in throughfall were found to be smaller than those in precipitation. On the other hand, the amounts of potassium, calcium and magnesium in stemflow were clearly greater than those in precipitation.

The PDF includes a summary in English.

Original keywords
mänty; ravinnekierto; sademäärä; metsikkösadanta; runkovalunta; happamuus

English keywords
nutrient budget; Scots pine; Pinus sylvestris; precipitation; throughfall; stemflow; acidity

Published in 1976

Available at https://doi.org/10.14214/sf.a14798 | Download PDF

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