Cone crop fluctuations in Scots pine and Norway spruce : an investigation based on the cone counts carried out by the National Forest Survey in the years 1954-1962 and on the reports submitted by Forest Service rangers on the cone setting in the years 1909-1961 = Om kottsättnigens fluktuationer hos tall och gran / by Stig Hagner

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Bibliographic Details
Superior document:Studia forestalia Suecica 33
VerfasserIn:
Place / Publishing House:Stockholm : Skogshögskolan, 1965
Year of Publication:1965
Language:English
Series:Studia forestalia Suecica 33
Physical Description:21 S.; graph. Darst., Kt.
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