Essays about: "heartwood diameter"

Found 5 essays containing the words heartwood diameter.

  1. 1. Evaluation of the increased pre-harvest forecasting precision of sawlog supply by use of historical harvester data and wood properties models : a case study on Scots pine in northern Sweden

    University essay from SLU/Department of Forest Biomaterials and Technology (from 131204)

    Author : Sara Holappa Jonsson; [2018]
    Keywords : forecasting; wood characteristics; imputation; value chain; wood procurement; heartwood diameter; big data;

    Abstract : Nordic wood procurement is customer-oriented and involves real-time steering of the procurement according to products and markets. The development of better products and increased process efficiency is important for industrial customers. READ MORE

  3. 2. Studie av rottickans S-form i ett röjningsbestånd av gran

    University essay from SLU/School for Forest Management

    Author : Andreas Östlund; [2017]
    Keywords : rotstop; kärnvedsandel; stubbdiameter;

    Abstract : The aim of this study was to examine if heartwood properties and stump diameter affected the establishment of Heterobasidion parviporum in a Norway spruce stand at the stage of pre-commercial thinning. In addition, the effects of Rotstop® application on the stumps were investigated. READ MORE

  4. 3. Rätt val av timmerråvara : kan lönsamheten förbättras med en djupare kunskap om timrets ursprung?

    University essay from SLU/Dept. of Forest Products

    Author : Tobias Pettersson; [2013]
    Keywords : timmerfångst; timmersortering; täckningsbidrag; komponentfabrik; kvalitet;

    Abstract : Under år 2012 lades flera svenska sågverk ned, mycket på grund av kronans rekordstarka värde gentemot euron. Enligt Johan Freij, affärsområdeschef Skog & Lantbruk vid Danske bank, upplever dagens sågverk den värsta krisen på 40 år. READ MORE

  5. 4. Planteringsförbandets inverkan på bildningen av kärnved hos tall (Pinus sylvestris L.) : en modellsimulering av planteringsförbandets inverkan?

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Johan Lindström; Erik Persson; [2012]
    Keywords : modellering; extraktivämnen; splintved; krongräns; Pipe modell;

    Abstract : The current state of knowledge indicates that there is more than one factor that initiates heartwood transition. This study supports its hypothesis on the theory that heartwood is formed by a fixed fraction of the annual growthring, 0,5 to 0,8 rings. READ MORE

  6. 5. Comparative analyses of Defense gene expression in Norway spruce sapwood

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Sophie Rommel; [2012]
    Keywords : Norway spruce; Sapwood; Gene expression;

    Abstract : As the most important species in Europe’s forest industry, Norway spruce [Picea abies (L.) Karst.] has a very high economical impact. Unfortunately, the forest industry has yearly losses of approximately 800 million euro, because many Norway spruce stands suffer infection by one of the tree’s major pathogens Heterobasidion parviporum (Fr. READ MORE