| УДК |
Аннотация: The report gives simultaneous measurements of leading-shoot length, stem diameter and meteorological factors. The height and stem increment in pines is described during two growing seasons in the field at 67 degree N and during two months in climate chamber (pine and spruce plants). The daily increment rhythm, which was regular during fair weather days, varied during the season. The stem increment of the pines in the field started at almost the same time during the days (at noon and early in the morning during early and late growing seasons respectively).
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