Search for dissertations about: "P. Roth"

Found 2 swedish dissertations containing the words P. Roth.

  2. 1. Nutritional ecology of selected Scandinavian tree species with special emphasis on hardwoods

    Author : Anna Hagen-Thorn; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Plant ecology; Växtekologi; Deciduous; Dynamics; Forest management; Nutrient sustainability;

    Abstract : This thesis considers several important aspects of nutrient dynamics and allocation in adult stands of Swedish forest tree species (Quercus robur L., Tilia cordata Mill., Fraxinus excelsior L., Betula pendula Roth. READ MORE

  4. 2. Applications of visible and near infrared spectroscopy for sorting and identification of tree seeds

    Author : Mostafa Farhadi; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Seeds are the most commonly used regeneration material for reforestation purpose; hence interest in “precision sowing” among nurseries is high due to the high cost of containerized seedling production. In addition, the increased interest in growing hybrid larch in commercial forestry has raised concerns about the purity of hybrid larch seed lots, as there are large proportions of pure parental seeds mixed with hybrid larch seed lots. READ MORE