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The article presents the size and weight of needles in 30−year−old Scots pine stands over one year with regard to the site conditions in which they grow (fresh mixed coniferous and fresh coniferous habitats). Two rectangular 1−hectare sample plots, which differed from one another only with the habitat type, were set up in Maszewo forestry in the Cybinka Forest District (western Poland). The plots...
This study was carried out in the Słowiński National Park (SNP; northern Poland) in Scots pine forest stands. The aim of the research was to compare the accumulation of nitrogen, phosphorus, potassium, magnesium, calcium, zinc, nickel, iron and manganese in needles of pines growing on in dry (Bs), fresh (Bw) and moist (Bw) habitats. The age of needles, soil moisture and the content of examined components...
Paper presents analysis of differences in conventional wood density of Scots pine measured at breast height regarding the geographical location of stands, forest habitat type, stand age and associated parameters such as density in the mid−length of the stem, density in the upper end of the stem and diameter at breast height. To investigate the impact of these factors, an analysis of covariance was...
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