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Publication Type J
Authors Harper, RJ; Sochacki, SJ; Smettem, KRJ; Robinson, N
Author Full Name Harper, R. J.; Sochacki, S. J.; Smettem, K. R. J.; Robinson, N.
Title Bioenergy Feedstock Potential from Short-Rotation Woody Crops in a Dryland Environment
Source ENERGY & FUELS
Language English
Document Type Article; Proceedings Paper
Conference Title Sino/Australian Symposium on Advanced Coal and Biomass Utilisation Technologies
Conference Date DEC 09-11, 2009
Conference Location Wuhan, PEOPLES R CHINA
Conference Sponsors Dept Innovat, Ind, Sci & Res Australia, Natl Nat Sci Fdn China, Australia China Special Fund, Curtin Univ Technol, S&T Cooperat, Curtin Univ Technol, CCAESE, Huazhong Univ Sci & Technol China, SKLCC, Minist Educ, State Adm Foreign Experts Affairs China
Keywords Plus WESTERN-AUSTRALIA; MALLEE BIOMASS; PLANTATIONS; SALINITY; TREES; LAND
Abstract Producing biomass from plantations of short rotations (3-10 years) of fast growing woody crops that are alternated with agricultural production, in a system termed phase fanning with trees (PFT), could offer a range of advantages compared to the use of permanent coppiced plantings. These include providing landholders flexibility in land use and increasing the sustainability of farming systems by lowering water tables, removing excess nutrients, and improving soil quality. Disadvantages from permanent belts and blocks, such as competition with adjacent agricultural crops are reduced. PFT thus offers I method of producing both food and fuel from the same land, while increasing the sustainability Of current agricultural systems. This paper describes the development of the PFT system in the dryland Mediterranean climate of southwestern Australia. Dry biomass yields of high-density (4000 trees/ha) plantings of Eucalyptus occidentalis of up to 22 tons/ha were achieved after 3 years and up to 54 tons/ha of Pinus pinaster (2000 trees/ha) after 7 years, in environments with only 300 min of annual rainfall. Biomass yields of up to 3 1 tons/ha of E. occidentalis were achieved after 7 years oil salinized soils, which had been effectively abandoned to agriculture. We describe the factors that affect yield in this water-limited environment, including the impact of initial Planting density, rotation length species, site selection (soils and landscape position), and fertilization and assess the impact of the system on sustainability in terms of removal of excess water and nutrients.
Author Address [Harper, R. J.; Sochacki, S. J.; Robinson, N.] Forest Prod Commiss, Perth Business Ctr, Perth, WA 6849, Australia; [Harper, R. J.; Smettem, K. R. J.] Univ Western Australia, Ctr Ecohydrol, Sch Environm Syst Engn, Nedlands, WA 6907, Australia; [Harper, R. J.] Murdoch Univ, Murdoch, WA 6150, Australia
Reprint Address Harper, RJ (reprint author), Forest Prod Commiss, Perth Business Ctr, Locked Bag 888, Perth, WA 6849, Australia.
E-mail Address r.harper@murdoch.edu.au
ResearcherID Number Smettem, Keith/A-2576-2012
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Cited Reference Count 33
Times Cited 24
Total Times Cited Count (WoS, BCI, and CSCD) 24
Publisher AMER CHEMICAL SOC
Publisher City WASHINGTON
Publisher Address 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
ISSN 0887-0624
29-Character Source Abbreviation ENERG FUEL
ISO Source Abbreviation Energy Fuels
Publication Date JAN
Year Published 2010
Volume 24
Issue 1
Beginning Page 225
Ending Page 231
Digital Object Identifier (DOI) 10.1021/ef9005687
Page Count 7
Web of Science Category Energy & Fuels; Engineering, Chemical
Subject Category Energy & Fuels; Engineering
Document Delivery Number 555MI
Unique Article Identifier WOS:000274514500032
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