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Research article - Peer-reviewed, 2008

Yield models for commercial willow biomass plantations in Sweden

Mola-Yudego B, Aronsson P


A yield model for willow plantations for bioenergy production in Sweden was developed based on recorded production of 2082 commercial plantations during the period 1989-2005. The model predicts yield for the first, second and third harvest using oats (avena) production as agro-climatic index. The mean annual yields were 2.6, 4.2 and 4.5 oven dry tonnes (odt) per hectare during the first, second and third cutting cycles, respectively. The yield correlated inversely with the length of the cutting cycle. The results of the study show significant differences between growers, which suggest the importance of proper management in the establishment and tending of the plantations. Model estimates for 25% of the best growers vary from 4.0 to 6.3odtha(-1) yr(-1) in 5-year-rotation plantations during the first cutting cycle, and from 5.4 to 7.1 odt ha(-1) yr(-1) in 4-year-rotations for the second cutting cycle. The proposed model can be applied in policy making and for management planning. (c) 2008 Elsevier Ltd. All rights reserved

Published in

Biomass and Bioenergy
2008, volume: 32, number: 9, pages: 829-837

Authors' information

Mola-Yudego, Blas
University of Joensuu (JoY)
Swedish University of Agricultural Sciences, Department of Crop Production Ecology

UKÄ Subject classification

Agricultural Science
Renewable Bioenergy Research

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