Sökning: "Tim Gran"
Hittade 1 uppsats innehållade orden Tim Gran.
1. Produktivitet vid stubblyftning
L3-uppsats, SLU/Dept. of Forest Resource ManagementSammanfattning : Stump wood was used between 1850 and 1950 for production of tar and as firewood. In the 1950s the use decreased because of the introduction of the cheap fossil oil. In the 1970s stump wood became an interesting issue again as a raw material for the pulp industry. Stump lifting has today become a possible source for bioenergy. LÄS MER
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