Showing 421 - 440 results of 2,409 for search '"spruce"', query time: 0.10s Refine Results
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    Liquid water absorption in coated norway spruce: Impact of heartwood, sapwood, density and weather exposure by Tinh Sjökvist, Åsa Blom, Sheikh Ali Ahmed

    Published 2020-07-01
    “…Therefore, the liquid water absorption of coated and uncoated Norway spruce heartwood and sapwood with a variety of densities was measured by letting the panels float freely in the water. …”
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  4. 424

    Seasonal spruce development (Picea A. Dietr.) in the conditions of Right-Bank of Forest-Steppe of Ukraine by O.P. Pokhylchenko

    Published 2011-12-01
    “…Gryshko National Botanical Gardens of the NAS of Ukraine (average long-term dates and effective temperatures sums necessary for the beginning of certain phenological phases of vegetative and generative spruce shoots are given). A correlation detected between duration of shoots vegetation period and water and heat supply.…”
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  5. 425
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    An Assessment of Storability of Norway Spruce Container Seedlings in Freezer Storage as Affected by Short-Day Treatment by Johanna Riikonen, Jaana Luoranen

    Published 2020-06-01
    “…One and a half year old control seedlings and SD-treated seedlings of Norway spruce were transferred to freezer storage (−3 °C) on five occasions during autumn. …”
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  7. 427

    Assessment of Canopy Health with Drone-Based Orthoimagery in a Southern Appalachian Red Spruce Forest by Ryley C. Harris, Lisa M. Kennedy, Thomas J. Pingel, Valerie A. Thomas

    Published 2022-03-01
    “…This approach, dependent mainly on an off-the-shelf drone system and visual interpretation of orthoimagery, could be applied by land managers to measure forest health in other spruce, or possibly spruce-fir, communities in the Appalachians. …”
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  8. 428

    Comparison of humus form state in the beech and spruce parts of the Žákova hora National Nature Reserve by V. V. Podrázský, J. Viewegh

    Published 2005-12-01
    “…The paper summarises main ideas concerning the structure of natural forest ecosystems at middle altitudes and documents the changes of humus forms and their chemistry in the natural forest of Žákova hora National Nature Reserve, in typical selected parts with different tree species composition: European beech - Norway spruce. The species composition, age and spatial structure are discussed and analysis of the uppermost soil layer is done in particular parts of the natural forest regeneration cycle, of different stages respectively. …”
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    Chemical thinning in blue spruce (Picea pungens Engelm.) stands and its effects on cambioxylophagous fauna by M. Pop, E. Kula, P. Maňas, R. Kajfosz

    Published 2010-05-01
    “…Chemical thinning was applied in blue spruce (Picea pungens Engelm.) stands by the application of Roundup Klasik and Garlon 4 EC. …”
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  12. 432

    Effects of end-pressure on the finger-joint quality of black spruce lumber: A microscopic analysis by Cecilia Bustos, Roger E. Hernández, Robert Beauregard, Mohammad Mohammad

    Published 2014-12-01
    “…The aim of this research work was to evaluate, by scanning microscopic analysis, the effect of end pressure on the performance of horizontal finger-joint of black spruce (Picea mariana (Mill.) B.S.P) specimens. A feather joint configuration glued with an isocyanate type of adhesive cured at room-temperature was used. …”
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  13. 433

    Humus conditions and stand characteristics of artificially established young stands in the process of the transformation of spruce monocultures by L. Menšík, T. Fabiánek, V. Tesař, J. Kulhavý

    Published 2009-05-01
    “…The presented study compares humus conditions and basic growth characteristics of two mixed stands (spruce with beech and larch with beech) aged 25 years with a beech stand (aged 40 years) and spruce stand (aged 30 years). …”
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    Cadmium accumulation in organisms from a spruce plantation amended with wood ash - an environmental risk? by Flemming Ekelund, Carla Cruz-Paredes, Christian Hviid Friis Jørgensen, Mette Vestergård, Kathrine Rostgaard Rasmussen, Louise Hindborg Mortensen, Nikolaj Lunding Kindtler, Regin Rønn, Søren Christensen, Jesper Liengaard Johansen, Rasmus Kjøller

    Published 2024-03-01
    “…We amended twelve field plots in a Norway spruce plantation with wood ash in different concentrations (0, 3, 4.5 and 6 t ha−1), and subsequently measured Cd concentration in three vascular plant species, three metazoan groups, a lichen, and fruiting bodies of four ectomycorrhizal fungal species. …”
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  16. 436

    Lignans Extract from Knotwood of Norway Spruce—A Possible New Weapon against GTDs by Milan Špetík, Josef Balík, Pavel Híc, Eliška Hakalová, Kateřina Štůsková, Lucie Frejlichová, Jan Tříska, Aleš Eichmeier

    Published 2022-03-01
    “…In the present study, we used an extract from the knotwood of spruce trees as a biological control against GTDs. …”
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    Response of Dissolved Organic Matter in the Forest Floor of a Temperate Spruce Stand to Increasing Throughfall by Thimo Klotzbücher, Klaus Kaiser, Karsten Kalbitz

    Published 2014-07-01
    “…In temperate spruce forests, dissolved organic matter (DOM) from forest floors is the major source of organic matter entering the mineral soil and thus it determines important soil properties and element cycling through the ecosystem. …”
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