A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations

The Authors conducted a long-term follow-up study of a John Deere 1490 forwarder-mounted bundler owned by a Portuguese company and used for bundling logging residues from fast-growing eucalypt plantations located in Portugal and Spain. The study spanned 7 years, from 2011 to 2016. During this time,...

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Autores principales:	Raffaele Spinelli, Natascia Magagnotti, Alberto Assirelli, João Pedro Martins, Matevž Mihelič
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	harvesting biomass productivity downtime utilization Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/6940d69de6f94db0a6d7fec6166d4feb
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spelling	oai:doaj.org-article:6940d69de6f94db0a6d7fec6166d4feb2021-11-25T17:38:33ZA Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations10.3390/f121115481999-4907https://doaj.org/article/6940d69de6f94db0a6d7fec6166d4feb2021-11-01T00:00:00Zhttps://www.mdpi.com/1999-4907/12/11/1548https://doaj.org/toc/1999-4907The Authors conducted a long-term follow-up study of a John Deere 1490 forwarder-mounted bundler owned by a Portuguese company and used for bundling logging residues from fast-growing eucalypt plantations located in Portugal and Spain. The study spanned 7 years, from 2011 to 2016. During this time, the machine clocked over 11,500 h and produced more than 200,000 bundles or 75,000 green tons of biomass. Bundle length was commonly 2.4 m, and bundle mass averaged 350 kg. Overall, the database contained 1752 daily records. Bundling productivity averaged 19 bundles per productive machine hour (meter hour, excluding all major delays). Mechanical availability was very high and averaged 93%. Utilization commonly ranged between 65% and 75%. Use and productivity showed a predictable seasonal trend and a slight decline over time. The latter might be due to wear, but also due to the increasingly challenging conditions faced by the company as the average worksite size sharply decreased from 2011 onwards. While almost extinct elsewhere, bundling seems to thrive in the Iberian plantations, possibly due to the industrial character of both eucalypt farming and bioenergy generation in the region. That allows the reaping of all integration benefits offered by bundling, while the cost of setting up a parallel biomass chain is minimized. Furthermore, bundling seems the ideal technique for efficient residue recovery where slash yields are low and roadside storage space is limited: these are the typical constraints of industrial eucalypt plantations, where planted area is maximized (=little landing space) and the largest possible proportion of the tree mass is turned into pulpwood (=relatively low residue yield).Raffaele SpinelliNatascia MagagnottiAlberto AssirelliJoão Pedro MartinsMatevž MiheličMDPI AGarticleharvestingbiomassproductivitydowntimeutilizationPlant ecologyQK900-989ENForests, Vol 12, Iss 1548, p 1548 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	harvesting biomass productivity downtime utilization Plant ecology QK900-989
spellingShingle	harvesting biomass productivity downtime utilization Plant ecology QK900-989 Raffaele Spinelli Natascia Magagnotti Alberto Assirelli João Pedro Martins Matevž Mihelič A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations
description	The Authors conducted a long-term follow-up study of a John Deere 1490 forwarder-mounted bundler owned by a Portuguese company and used for bundling logging residues from fast-growing eucalypt plantations located in Portugal and Spain. The study spanned 7 years, from 2011 to 2016. During this time, the machine clocked over 11,500 h and produced more than 200,000 bundles or 75,000 green tons of biomass. Bundle length was commonly 2.4 m, and bundle mass averaged 350 kg. Overall, the database contained 1752 daily records. Bundling productivity averaged 19 bundles per productive machine hour (meter hour, excluding all major delays). Mechanical availability was very high and averaged 93%. Utilization commonly ranged between 65% and 75%. Use and productivity showed a predictable seasonal trend and a slight decline over time. The latter might be due to wear, but also due to the increasingly challenging conditions faced by the company as the average worksite size sharply decreased from 2011 onwards. While almost extinct elsewhere, bundling seems to thrive in the Iberian plantations, possibly due to the industrial character of both eucalypt farming and bioenergy generation in the region. That allows the reaping of all integration benefits offered by bundling, while the cost of setting up a parallel biomass chain is minimized. Furthermore, bundling seems the ideal technique for efficient residue recovery where slash yields are low and roadside storage space is limited: these are the typical constraints of industrial eucalypt plantations, where planted area is maximized (=little landing space) and the largest possible proportion of the tree mass is turned into pulpwood (=relatively low residue yield).
format	article
author	Raffaele Spinelli Natascia Magagnotti Alberto Assirelli João Pedro Martins Matevž Mihelič
author_facet	Raffaele Spinelli Natascia Magagnotti Alberto Assirelli João Pedro Martins Matevž Mihelič
author_sort	Raffaele Spinelli
title	A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations
title_short	A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations
title_full	A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations
title_fullStr	A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations
title_full_unstemmed	A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations
title_sort	long-term follow-up study of slash bundling in fast-growing eucalypt plantations
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6940d69de6f94db0a6d7fec6166d4feb
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A Long-Term Follow-Up Study of Slash Bundling in Fast-Growing Eucalypt Plantations

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