Harvesting alternatives for mallee agroforestry plantations in Western Australia

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• 作者：Raffaele Spinelli (1) (2)
  Mark Brown (2)
  Rick Giles (3)
  Dan Huxtable (3)
  Ruben Laina Rela?o (4)
  Natascia Magagnotti (1) (2)
  
• 关键词：Alley ; cropping ; Belts ; Mechanization ; Economics ; Energy ; Chips
• 刊名：Agroforestry Systems
• 出版年：2014
• 出版时间：June 2014
• 年：2014
• 卷：88
• 期：3
• 页码：479-487
• 全文大小：
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• 作者单位：Raffaele Spinelli (1) (2)
  Mark Brown (2)
  Rick Giles (3)
  Dan Huxtable (3)
  Ruben Laina Rela?o (4)
  Natascia Magagnotti (1) (2)
  
  1. CNR IVALSA, Via Madonna del Piano 10, 50019, Sesto Fiorentino, FI, Italy
  2. AFORA, University of the Sunshine Coast, Locked Bag 4, Maroochydore DC, QLD, 4558, Australia
  3. Department of Parks and Wildlife, Bentley Delivery Centre, Locked Bag 104, WA, 6983, Australia
  4. Universidad Politecnica de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
  
• ISSN：1572-9680

文摘

The authors tested two harvesting systems especially designed for mallee agroforestry plantations on farmland. Both systems were based on versatile forest technology commonly used for conventional logging operations. They differed especially for the felling technology: small-scale drive-to-tree or industrial swing-to-tree equipment. Both systems were tested side-to-side on 12 experimental plots each. The resulting harvesting cost was 22 and 27 AU$?t?, for the industrial and the small scale system, respectively. Chipping represented between 60 and 80?% of the overall harvesting cost, and offered much room for improvement. The industrial system always offered the lowest harvesting cost, regardless of annual usage, when equipment mobilisation costs were not considered. The productivity of conventional forestry equipment was strongly dependent on belt stocking and tree size. If the diameter at ankle height dropped below 10?cm, economic viability decreased very rapidly.