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Characteristics of Stands Growing on Drained Peat Soils
Growth characteristics of pine forests appearing after
Dynamics of stand increment
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according annual increment areas ash content average biological activity birch boggy soils BSSR bulk density carbon dioxide cent characteristic cm layer content of peat daily increment decomposition decrease degree of drainage determined diameter distance ditches drainage efficiency drainage norm drained peat extent of drainage forest drainage forestry ground water ground water level growth rate hectare increase influence intense investigations July June Leningrad Leningrad oblast linear increment Lisinsk maximum mean microrelief mineral Moscow needles nitrogen nutrients oblast observations oxygen peat bogs peat soils phosphorus pine forests pine groves plantations plants pochv potassium productivity Pyavchenko quality class reclamation reserves root growth root systems seasonal dynamics seasonal growth soil air soil bed soil horizons soil profile soil temperature soil-ground water level sphagnum spruce spruce groves swampy test plot tion trees trunk upland moors variation vegetative period Vologod Vomperskii water regime well-drained