Showing 141 - 160 results of 2,409 for search '"spruce"', query time: 0.09s Refine Results
  1. 141

    Height increment of understorey Norway spruces under different tree canopies by Olavi Laiho, Timo Pukkala, Erkki Lähde

    Published 2014-02-01
    “…Background Stands having advance regeneration of spruce are logical places to start continuous cover forestry (CCF) in fertile and mesic boreal forests. …”
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  2. 142
  3. 143

    Chemical control of cone pests in a Norway spruce seed orchard. by Annila, Erkki, Heliövaara, Kari

    Published 1991-01-01
    “…The effect of three pesticides containing either dimethoate (0.5% a.i.), permitrin (0.5%) or triadimephon (0.5%) on the cone pests and flowering biology of Norway spruce ( (L.) H. Karst.) was tested in a seed orchard in mid-May or in the beginning of June. …”
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  4. 144

    Genetical genomics identifies the genetic architecture for growth and weevil resistance in spruce. by Ilga Porth, Richard White, Barry Jaquish, René Alfaro, Carol Ritland, Kermit Ritland

    Published 2012-01-01
    “…These results will enable future work on functional genetic studies of insect resistance in spruce, and provide valuable information about candidate genes for genetic improvement of spruce.…”
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  11. 151

    Structure, optical and spectral characteristics of epicuticular wax of blue spruce needles by E. R. Bukhanov, A. D. Shefer, A. V. Shabanov, Yu. L. Gurevich, M. N. Krakhalev

    Published 2024-02-01
    “…Using scanning electron microscopy, images of blue spruce (Picea pungens Engelm.) needle wax were obtained. …”
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  12. 152

    Torrefaction of Spruce, Beech, and Oak Pellets in Order to Improve Calorific Value by Cosmin Spirchez, Aurel Lunguleasa

    Published 2022-11-01
    “…Native spruce, beech, and oak pellets were treated by torrefaction. …”
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  13. 153

    Growth Dynamics of Young Mixed Norway Spruce and Birch Stands in Finland by Saija Huuskonen, Tuulia Lahtinen, Jari Miina, Karri Uotila, Simone Bianchi, Pentti Niemistö

    Published 2022-12-01
    “…Currently there is scarce knowledge available of the early growth dynamics of mixed spruce–birch stands in even-aged managed production forests with artificial regeneration of spruce. …”
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  14. 154
  15. 155

    Precommercial Thinning Increases Spruce Yields in Boreal Mixedwoods in Alberta, Canada by Ivan Bjelanovic, Phil Comeau, Sharon Meredith, Brian Roth

    Published 2021-03-01
    “…The density of aspen had no significant effect on the survival of planted spruce. Spruce height and diameter growth increased with both aspen thinning intensity and time since treatment. …”
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  18. 158

    Derivation of target stocking for forests of Norway spruce vegetation zone in Slovakia by M. Moravčík

    Published 2007-08-01
    Subjects: “…norway spruce vegetation zone…”
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  19. 159

    Quantifying the effects of competition on the dimensions of Scots pine and Norway spruce crowns by T.P. Pitkänen, S. Bianchi, A. Kangas

    Published 2022-08-01
    “…To better understand these linkages, we measure dimensions of Scots pine and Norway spruce crowns, which are assumed to be affected by competition pressure. …”
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  20. 160

    Effect of Acetylation on the Physical and Mechanical Performances of Mechanical Densified Spruce Wood by Jianhui Guo, Chao Wang, Cheng Li, Yang Liu

    Published 2022-10-01
    “…In this study, a thermal compression treatment was carried out to densify acetylated spruce wood. The aim of acetylation was to improve the plasticity and water resistance of spruce wood. …”
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