Progress 10/01/04 to 09/30/10
Outputs
OUTPUTS: Field studies across Florida and similar portions of the Southeast assessed SRWC options including genetic variation, site amendment, vegetation control, planting density and configuration, and rotation length. Genetic improvement of Eucalyptus species (E. amplifolia, EA, and E. grandis, EG) for the Gulf Coast region, Corymbia torelliana (CT) for central and southern Florida, and eastern cottonwood (Populus deltoides, PD) for agricultural quality sites or in intensive culture in the Southeast utilized established and new genetic tests that provide excellent bases for identifying superior clones and progenies and roguing and establishing seed orchards. Another EG clone was released for commercial use. Applications of SRWCs in Florida and similar areas were derived from several studies that evaluate silvicultural practices and genetic options. To assess the dendoremediation prospects for SRWCs, PD, EA, and/or EG based systems were evaluated in established studies on a wide range of contaminated sites. PARTICIPANTS: This project was facilitated by collaboration with Packers, Lykes Bros., Citrus Research and Education Center, Gulf Coast Research and Education Center, Southwest Florida Research and Education Center, North Florida Research and Education Center, Florida Organics Resource Center for Excellence/Sumter County Solid Waste Facility, C & B Farms, Ray Hodges, USFS Forest Products Laboratory, Plant Sciences Unit, Florida Crystals, Rucks Citrus Nursery, Evans Properties, Mosaic, Indian Prairie Ranch & Nursery, Leon County Landfill, Buckeye Technologies, TW Byrd & Sons, Foley Timber & Lands, and others. TARGET AUDIENCES: Forest and agricultural landholders in Florida and adjoining states. PROJECT MODIFICATIONS: This project is being considered for an extension.
Impacts
Markets for genetically improved EG, EA, PD, and CT continued to develop. EG and CT were widely planted for agricultural windbreaks in southern and central Florida. EG, EA, and/or PD with high energywood productivity are under consideration for reclaimed phosphate mined lands in central Florida, agricultural lands in southern Florida, and flatwoods in northern Florida. EA, EG, and/or PD have shown dendroremediation potential in Florida and Alabama.
Publications
- Smith WH, DL Rockwood. 2010. Feedstocks for biofuels. Encyclopedia of Energy Engineering and Technology, Taylor and Francis.
- Tamang B, MG Andreu, DL Rockwood. 2010. Microclimate patterns on the leeside of single-row tree windbreaks during different weather conditions in Florida farms: implications for improved crop production. Agroforestry Systems 79:111-122
- Rockwood DL, PA Proctor, M Curtis. 2010. Compost influence on dendroremediation of pulpmill effluent by fast growing Eucalyptus, Populus, and Corymbia species. In: Proc. 18th US Composting Council Conf., January 24-27, 2010, Orlando, FL. http://www.compostingcouncil.org/PDF/2010_Proceedings/PRESENTATIONS/R OCKWOOD.pdf
- Rockwood DL, M Kirst. 2010. Genetic fingerprinting and wood chemistry of superior Eucalyptus clones for energy production in Florida. Proceedings Forest Products Society 64th International Convention, Madison, WI, June 20-22, p.14. (Abstract).
- Creech D, L Zhou, Y Yunlong, D Rockwood, K Krauss. 2010. Taxodium genotype performance at SFA gardens. American Society for Horticultural Science, Orlando, FL Feb 5-8, 2010. (Abstract)
- Rockwood DL, B Tamang. 2010. Description and performance of four Eucalyptus grandis cultivars released by IFAS/UF in 2009. Proceedings Florida State Horticultural Society, Crystal River, FL, June 6-8, 2010, p. 330-2.
- Wang GS, XJ Pan, JY Zhu, DL Rockwood. 2009. Sulfite pretreatment to overcome recalcitrance of lignocellulose (SPORL) for robust enzymatic saccharification of hardwoods. Biotechnol. Prog.. 25(4): 1086-1093. http://www.fpl.fs.fed.us/documnts/pdf2009/fpl_2009_wang003.pdf
- Zhu JY, H Liu, S Verrill, V Herian, XJ Pan, DL Rockwood. 2011. On polydispersity of plant biomass recalcitrance and its effects on pretreatment optimization for sugar production. Bioenergy Research. DOI 10.1007/s12155-011-9113-7
- Rockwood DL. 2010. Eucalyptus grandis cultivars for energywood production in Florida. Proceedings Farm to Fuel Summit. http://www.floridafarmtofuel.com/ppt/2010/Rockwood.pdf
- Zalesny RS Jr, MW Cunningham, RB Hall, J Mirck, DL Rockwood, JA Stanturf, TA Volk. 2011. Chapter 2. Woody Biomass from Short Rotation Energy Crops. In ACS Symposium Book: Sustainable Production of Fuels, Chemicals, and Fibers from Forest Biomass (Zhu J et al.). p. 27-63.
- Rockwood DL, B Tamang. 2011. Compost effects on wood quality of Eucalyptus SRWCs. In: Proc. 19th US Composting Council Conf., January 23-26, 2011, Santa Clara, CA. http://www.compostingcouncil.org/PDF/2011_Proceedings/PRESENTATIONS/R OCKWOOD.pdf
- Peter G, A Riveros-Walker, J Zhang, P Munoz, D Rockwood, M Kirst, E Novaes. 2010. Woody crops for bioenergy production in Florida. Proceedings 2010 Florida Energy Systems Consortium Summit, Orlando, FL, September 28-29, p.14. (Abstract).
- Rockwood DL, GF Peter. 2011. Eucalyptus and Corymbia species for pulpwood, mulchwood, energywood, windbreaks, and/or phytoremediation. Florida Cooperative Extension Service Circular 1194. 6p. http://edis.ifas.ufl.edu/FR013.
- Rockwood DL,B Tamang. 2011. Evaluation of field drying for enhancing biomass quality of Eucalyptus grandis logs and trees. Proceedings Forest Products Society 65th International Convention, Portland, OR, June 19-21, p.14. (Abstract).
- Rockwood DL, N Koch, J Brawner. 2011. International collaboration identifies Eucalyptus for mid-elevation planting in Hawaii. In: Proc. 2011 SAF National Conv., November 2-6, 2011, Honolulu, HW. Journal of Forestry 109(8):491.
- Rockwood DL, M Kirst, JG Isebrands, and JY Zhu. 2011. Chapter 2/10. Forest Trees. In: Handbook of Bioenergy Crop Plants. C Kole, CP Joshi, and DR Shonnard (eds). Taylor & Francis
|
Progress 10/01/08 to 09/30/09
Outputs
OUTPUTS: Field studies across Florida and similar portions of the Southeast assessed SRWC options including genetic variation, site amendment, vegetation control, planting density and configuration, and rotation length. Genetic improvement of Eucalyptus species (E. amplifolia, EA, and E. grandis, EG) for the Gulf Coast region, Corymbia torelliana (CT) for southern Florida, and eastern cottonwood (Populus deltoides, PD) for agricultural quality sites or in intensive culture in the Southeast utilized established and new genetic tests that provide excellent bases for identifying superior clones and progenies and roguing and establishing seed orchards. Four EG clones were released for commercial use. Applications of SRWCs in Florida and similar areas were derived from several studies that evaluate silvicultural practices and genetic options. To assess the dendoremediation prospects for SRWCs, PD, EA, and/or EG based systems were evaluated in established studies on a wide range of contaminated sites. In collaboration with the US Forest Service's Forest Products Laboratory, assessment of the suitaility of EG and EA for composites and/or biofuels was completed. PARTICIPANTS: This project was facilitated by collaboration with Edsall Groves, Premier Citrus, Lykes Bros., Citrus Research and Education Center, Gulf Coast Research and Education Center, Southwest Florida Reasearch and Education Center, North Florida Research and Education Center, Florida Organics Resource Center for Excellence/Sumter County Solid Waste Facility, C & B Farms, Matt Tavtigian, Ray Hodges, USFS Forest Products Laboratory, Plant Sciences Unit, Florida Crystals, Rucks Nursery, North Florida Fernery, Evans Properties, Mosaic, Indian Prairie Ranch & Nursery, Twyford International, S&ME Inc., Leon County Landfill, Austin Cary Memorial Forest, Buckeye Technologies, and others. TARGET AUDIENCES: Forest and agricultural landholders in Florida and adjoining states. PROJECT MODIFICATIONS: This project is being considered for an extension.
Impacts
Markets for genetically improved EG, EA, PD, and CT continued to develop. EG and CT were widely planted for agricultural windbreaks in southern and central Florida. EG, EA, and/or PD with high energywood productivity are under consideration for reclaimed phosphate mined lands in central Florida, agricultural lands in southern Florida, and flatwoods in northern Florida. EA and EG were further evaluated for medium density fiberboard. EA, EG, and/or PD have shown dendroremediation potential in Florida and Alabama.
Publications
- Rockwood DL, M Kirst, JG Isebrands, and JY Zhu. 2009. Chapter 2/10. Forest Trees. In: Handbook of Bioenergy Crop Plants. C Kole, CP Joshi, and DR Shonnard (eds). Taylor & Francis.
- Andreu MG, B Tamang, DL Rockwood, MH Friedman. 2009. Potential woody species and species attributes for windbreaks in Florida. Florida Cooperative Extension Service Circular FOR224. 6p. http://edis.ifas.ufl.edu/FR2224. http://edis.ifas.ufl.edu/pdffiles/FR/FR28600.pdf
- Tamang B, DL Rockwood, MG Andreu. 2009. Microclimate modification by tree windbreaks in Florida farms. North American Agroforestry Conference, Columbia, MO. CD.
- Smith WH, DL Rockwood. 2009. Feedstocks for biofuels. Encyclopedia of Energy Engineering, Taylor and Francis.
- Tamang B, MG Andreu, MH Friedman, DL Rockwood. 2009. Windbreak designs and planting for Florida agricultural fields. Florida Cooperative Extension Service Circular FOR227. 6p. http://edis.ifas.ufl.edu/pdffiles/FR/FR28900.pdf
- Tamang B, MG Andreu, MH Friedman, DL Rockwood. 2009. Management of field windbreaks. Florida Cooperative Extension Service Circular FOR288. 6p. http://edis.ifas.ufl.edu/pdffiles/FR/FR29000.pdf
- Rockwood DL, PA Proctor, M Curtis. 2009. Compost increases dendroremediation capacity of fast growing trees. In: Proc. 17th US Composting Council Conf., January 26-29, 2009, Houston, Texas. http://www.compostingcouncil.org/PDF/2009_Proceedings/PRESENTATIONS/R ockwood.pdf
- Rockwood DL, JE Winandy. 2009. Processing and Wood Factors Influencing Medium Density Fiberboard Production from Young Eucalyptus grandis, E. amplifolia, Corymbia torelliana, and Cottonwood Grown in Florida USA. Proceedings Forest Products Society 63rd International Convention, Boise, ID, June 23-25, p.14. (Abstract).
- Tamang B, MG Andreu, DL Rockwood. 2009. Effects of single-row tree windbreaks on windspeed and microclimate in the protected area during different weather conditions in Florida farms. Agroforestry Systems. DOI: 10.1007/S10457-010-9280-4
|
Progress 10/01/07 to 09/30/08
Outputs
OUTPUTS: Field studies across Florida and similar portions of the Southeast assessed SRWC options including genetic variation, site amendment, vegetation control, planting density and configuration, and rotation length. Genetic improvement of Eucalyptus species (E. amplifolia, EA, and E. grandis, EG) for the Gulf Coast region, Corymbia torelliana (CT) for southern Florida, eastern cottonwood (Populus deltoides, PD) for agricultural quality sites or in intensive culture in the Southeast, cypress (Taxodium distichum, TD) for upland sites throughout Florida and adjacent states, and slash pine (Pinus elliottii, PE) hybrids for reclaimed mined lands utilized established and new genetic tests that provide excellent bases for identifying superior clones and progenies and roguing and establishing seed orchards. Four EG clones were proposed for commercial use. Applications of SRWCs in Florida and similar areas were derived from several studies that evaluate silvicultural practices and genetic options. To assess the dendoremediation prospects for SRWCs, PD, EA, and/or EG based systems were evaluated in established studies on a wide range of contaminated sites. In collaboration with the US Forest Service's Forest Products Laboratory, assessment of the suitaility of EG and EA for composites and/or biofuels continued. PARTICIPANTS: This project was facilitated by collaboration with Edsall Groves, Premier Citrus, Lykes Bros., Citrus Research and Education Center, Gulf Coast Research and Education Center, Southwest Florida Reasearch and Education Center, North Florida Research and Education Center, Florida Organics Resource Center for Excellence/Sumter County Solid Waste Facility, C & B Farms, Matt Tavtigian, Ray Hodges, USFS Forest Products Laboratory, Plant Sciences Unit, Florida Crystals, Rucks Nursery, North Florida Fernery, Alico Plant World, Indian Prairie Ranch & Nursery, Twyford International, S&ME Inc., Leon County Landfill, Austin Cary Memorial Forest, and others. TARGET AUDIENCES: Forest and agricultural landholders in Florida and adjoining states. PROJECT MODIFICATIONS: Nothing significant to report during this reporting period.
Impacts
Markets for genetically improved EG, EA, PD, and CT continued to develop. EG and CT were widely planted for agricultural windbreaks in southern and central Florida. EG, EA, and/or PD with high energywood productivity are under consideration for reclaimed phosphate mined lands in central Florida, agricultural lands in southern Florida, and flatwoods in northern Florida. EA and EG were further evaluated for medium density fiberboard. EA, EG, and/or PD have shown dendroremediation potential in Florida and Alabama.
Publications
- Abichou T, J Musagasa, L Yuan, J Chanton, K Tawfiq, D Rockwood, L Licht. 2008. Field peformance of alternative landfill covers. Internat. J. Phytoremediation 5: 147-152.
- Castle WS, KA Langeland, and DL Rockwood. 2008. Casuarina cunninghamiana Miq. (River sheoak) in Florida and its Potential as a Windbreak Plant for Citrus Groves. Florida Cooperative Extension Service Circular HS1139. 13p. http://edis.ifas.ufl.edu/document_hs392. http://edis.ifas.ufl.edu/pdffiles/HS/HS39200.pdf
- Onokpise OU, D Rockwood, SK Bambo, and A Jain. 2008. Performance of cottonwood (Populus deltoides Bartr.) clones as a woody biomass crop for phytoremediation. Journal of Environmental Monitoring & Restoration 5:141-148.
- Tamang B, MG Andreu, DL Rockwood. 2008. Windbreaks: A Low Cost Technology for Sustainable Agriculture. APA Newsletter.
- Andreu MG, B Tamang, MH Friedman, DL Rockwood. 2008. The benefits of windbreaks for Florida growers. Florida Cooperative Extension Service Circular FOR192. 5p. http://edis.ifas.ufl.edu/FR253. http://edis.ifas.ufl.edu/pdffiles/FR/FR25300.pdf
- Rockwood DL, AW Rudie, SA Ralph, J Zhu, and JE Winandy. 2008. Energy product options for Eucalyptus species grown as short rotation woody crops. Int. J. Mol. Sci. 9:1361-1378. http://www.mdpi.org/ijms/papers/i9081361.pdf
- Zhu J, DL Rockwood. 2008. A novel pretreatment process for robust bioconversion of lignocellulose. Proceedings 30th Symposium on Biotechnology for Fuels and Chemicals, New Orleans, May 4-7, 2008. (poster).
- Rockwood DL, JE Winandy. 2008. Resin and pressing requirements for making MDF from Florida-grown Eucalyptus grandis, E. amplifolia, Corymbia torelliana, and cottonwood. Proceedings Forest Products Society 62nd International Convention, St. Louis, June 22-24, p.14. (Abstract).
|
Progress 10/01/06 to 09/30/07
Outputs
OUTPUTS: Field studies across Florida and similar portions of the Southeast assessed SRWC options including genetic variation, site amendment, vegetation control, planting density and configuration, and rotation length. Genetic improvement of Eucalyptus species (E. amplifolia, EA, and E. grandis, EG) for the Gulf Coast region, Corymbia torelliana (CT) for southern Florida, eastern cottonwood (Populus deltoides, PD) for agricultural quality sites or in intensive culture in the Southeast, cypress (Taxodium distichum, TD) for upland sites throughout Florida and adjacent states, and slash pine (Pinus elliottii, PE) hybrids for reclaimed mined lands utilized established and new genetic tests that provide excellent bases for identifying superior clones and progenies and roguing and establishing seed orchards. Applications of SRWCs in Florida and similar areas were derived from several studies that evaluate silvicultural practices and genetic options. A 48 ha study near Lakeland and a 2.5
acre study near Homeland evaluated EG, PD, and EA responses to genetic and cultural options for SRWCs on clay settling areas (CSA). This research couples current promising cogongrass management strategies with planting PD, EG, and/or EA for long-term cogongrass control and native plant reestablishment. Plantings established in 2002 and 2004 near Sumterville evaluate PD, EA, EG, and TD productivity in response to genetics and factorial combinations of compost, fertilization, and irrigation. Growth modeling extended existing preliminary growth and yield models for EG, EA, PD, and TD to predict yield potential over time for various products. Restoration of mined lands depends on development of methods that insure forest sustainability. Two studies on reclaimed satellite mined and unmined lands in northeast Florida addressed silvicultural methods for PE on titanium mined lands through a partial factorial of treatments involving subsoiling and non-subsoiling, four fertilizers, weed
control, and a mycorrhizae treatment. These studies were supplemented by a chronoseries of mined vs. unmined comparisons (10 plots per mined type per age) ranging up to 20 years of age. To assess the dendoremediation prospects for SRWCs, PD, EA, and/or EG based systems were evaluated in established studies on a wide range of contamined sites. SRWC systems were compared against various economic alternatives for lands with SRWC potential. Our analyses of SRWC economic returns indicated the importance of input costs, progeny, planting configurations, rotation age, yields, harvesting options, the decision to coppice or not coppice, stumpage and transportation prices, and market options. Yields and costs for EA, EG, and PD were updated, and models for PE on reclaimed mined lands and TD on upland sites were generated. Further, optimal production decisions for SRWCs as influenced by the incorporation of environmental benefits were developed. Social and political factors influencing the
energy and forestry sectors were examined. In collaboration with the US Forest Service's Forest Products Laboratory, assessment of the suitaility of EG, EA, CT, and PD for composites, pulping, and/or biofuels was initiated.
PARTICIPANTS: This project was facilitated by collaboration in 2006-07 with Edsall Groves, Premier Citrus, Lykes Bros., Gulf Coast Research and Education Center, Southwest Florida Reasearch and Education Center, North Florida Research and Education Center, Florida Organics Resource Center for Excellence/Sumter County Solid Waste Facility, C & B Farms, Matt Tavtigian, Ray Hodges, Forest Products Laboratory, Plant Sciences Unit, Rucks Nursery, North Florida Fernery, Alico Plant World, IMG Citrus, Cherry Lake Tree Farm, Leon County Landfill, Austin Cary Memorial Forest, and others.
Impacts
New market opportunities for EG, EA, PD, and CT developed and/or were explored. EG and CT are in high demand for agricultural windbreaks. EG and EA are alternatives to TD mulch and have high energywood productivity on low opportunity cost reclaimed phosphate mined lands in Central Florida. CT, EA, and EG may be used for medium density fiberboard. EA may be grown in the lower Gulf Coast, EG in central and southern Florida, and CT in southern Florida.
Publications
- Langholtz M, DR Carter, and DL Rockwood. 2007. Assessing the Economic Feasibility of Short-Rotation Woody Crops in Florida. Florida Cooperative Extension Service Circular 1516. 5p. http://edis.ifas.ufl.edu/FR169.
- Bhattacharjee PK, and D Rockwood. 2007. Energy-Mix for Sustainable Environment in View of Fertilizer/Agricultural/Utility Industries. Proc. Annual AIChE (Central Florida) Clearwater Convention, Clearwater, Florida, June 8-9, 2007.
- Rockwood DL, and B Becker. 2007. Compost benefits for using fast growing trees in various applications in Florida. In: Proc. 2007 Recycle Florida Today Annual Conference and Exhibition, June 4-6, 2007, Orlando, Florida. http://proceedings.recyclefloridatoday.org/2007_06_04_AnnualConferenc e/p_bec.htm
- Tamang B, D Rockwood, M Langholtz, E Maehr, B Becker, and S Segrest. 2008. Fast-growing trees for cogongrass (Imperata cylindrica) suppression and enhanced colonization of understory plant species on a phosphate-mine clay settling area. Ecological Engineering 31. (in press)
- Rockwood DL, B Becker, M Andreu, MP Ozores-Hampton, and CK Chandler. 2007. Compost benefits for fast growing trees used in windbreaks. In: Proc. 15th US Composting Council Conf., January 21-24, 2007, Orlando, Florida.
|
Progress 10/01/05 to 09/30/06
Outputs
Field studies across broad geographic, climatic, and edaphic ranges in Florida and similar portions of the Southeast assessed SRWC options including genetic variation, site amendment, vegetation control, planting density and configuration, and rotation length. Genetic improvement of Eucalyptus species (E. amplifolia, EA, and E. grandis, EG) for diverse conditions in the Gulf Coast region, eastern cottonwood (Populus deltoides, PD) for agricultural quality sites or in intensive culture in the Southeast, cypress (Taxodium distichum, TD) for upland sites throughout Florida and adjacent states, and slash pine (Pinus elliottii, PE) hybrids for reclaimed titanium and phosphate mined lands utilized established and new genetic tests that provide excellent bases for identifying superior clones and progenies and roguing and establishing seed orchards. Applications of SRWCs in Florida and similar areas were derived from several studies that evaluate silvicultural practices and
genetic options. A 48 ha study near Lakeland and a 2.5 acre study near Homeland evaluated EG, PD, and EA responses to genetic and cultural options for SRWCs on clay settling areas (CSA). This research couples current promising cogongrass management strategies with planting PD, EG, and/or EA for long-term cogongrass control and native plant reestablishment. Plantings established in 2002 and 2004 near Sumterville evaluate PD, EA, EG, and TD productivity in response to genetics and factorial combinations of compost, fertilization, and irrigation. Growth modeling extended existing preliminary growth and yield models for EG, EA, PD, and TD to predict yield potential over time for various products. Restoration of mined lands depends on development of methods that insure forest sustainability. Two studies on reclaimed satellite mined and unmined lands in northeast Florida addressed silvicultural methods for PE on titanium mined lands through a partial factorial of treatments involving
subsoiling and non-subsoiling, four fertilizers, weed control, and a mycorrhizae treatment. These studies were supplemented by a chronoseries of mined vs. unmined comparisons (10 plots per mined type per age) ranging up to 20 years of age. To assess the dendoremediation prospects for SRWCs, PD, EA, and/or EG based systems were evaluated in established studies on a wide range of contamined sites. SRWC systems were compared against various economic alternatives for lands with SRWC potential. Our analyses of SRWC economic returns indicated the importance of input costs, progeny, planting configurations, rotation age, yields, harvesting options, the decision to coppice or not coppice, stumpage and transportation prices, and market options. Yields and costs for EA, EG, and PD were updated, and models for PE on reclaimed mined lands and TD on upland sites were generated. Further, optimal production decisions for SRWCs as influenced by the incorporation of environmental benefits were
developed. Social and political factors influencing the energy and forestry sectors were examined.
Impacts
Market opportunities resulting from new management systems for EG, EA, PD, TD, and PE in Florida and similar areas are wide ranging. Eucalyptus is in high demand for pulp and for agricultural windbreaks, and currently, EG is an alternative to TD mulch and has demonstrated high energywood productivity on reclaimed phosphate mined lands. Successful demonstration of SRWC production and cofiring in Florida could lead to SRWC development in the Gulf Coast region and similar environments. Central Florida has low opportunity cost mined lands for developing biomass crops. If Florida's electric utilities used SRWCs to generate just 2% of total electricity produced, a new farming industry with an economic impact of over $100 million per year would be created. The cultural practices and systems developed will provide guidelines for maximizing SRWC productivity while minimizing environmental impacts. Contaminated sites, landfills, wastewater treatment facilities, stormwater
collection areas, mined lands, agricultural lands, and forestlands provide SRWC planting opportunities. Superior PD clones identified in this project will be suitable for the Southeast. EA has adaptability for the lower Gulf Coast, and improved EG will be suitable for central and southern Florida.
Publications
- Maehr, EN. 2006. Preliminary evaluation of the use of fast growing trees and cultures for cogongrass control on phosphate mined lands. MS Thesis, University of Florida, Gainesville. 95p. (http://etd.fcla.edu/UF/UFE0015737/maehr_e.pdf)
- Rockwood DL, DR Carter, MH Langholtz, and JA Stricker. 2006. Eucalyptus and Populus short rotation woody crops for phosphate mined lands in Florida USA. Biomass & Bioenergy 30 (8,9): 728-734.
- Rockwood DL, B Becker, MP Ozores-Hampton, and PA Stansly. 2006. Compost benefits for short rotation woody crops. In: Proc. 14th US Composting Council Conf., January 22-25, 2006, Albuquerque, NM.
- Tamang B, D Rockwood, M Langholtz, E Maehr, B Becker, and S Segrest. 2005. Vegetation and soil quality changes associated with reclaiming phosphate-mine clay settling areas with fast growing trees. Proc. 32nd Annual Conference on Ecosystem Restoration and Creation, October 27-28, 2005, Tampa, Florida.
- Rockwood DL, and DR Carter. 2005. Big impact on growth: Silviculture applications with MSW compost. BioCycle 46(10): 42.
- Rockwood DL, JG Isebrands, and RB Hall. Short rotation woody crops. American Farm Bureau Federation Annual Convention, Nashville, TN, January 8-9, 2006. (Abstract of Poster)
- Maehr, E, B Tamang, and D. Rockwood. 2006. Influence of fast growing trees on ecological restoration of clay settling areas in Polk County, Florida. Proc. Florida Academy of Sciences, March 11-12, 2006, Melbourne, FL. (abstract)
- Langholtz M, D Carter, J Alavalapati, and D Rockwood. 2006. The economic feasibility of reclaiming phosphate mined lands with short-rotation woody crops in Florida. J For Econ.
- Rockwood, DL, G Peter, and B Becker. 2006. Superior eucalypt and cottonwood clones for novel applications and sites in Florida. Proc. IEG-40 Conference: Incorporating Genetic Advances into Forest Productivity Systems;Value for All Landowners, June 26-29, 2006, Jacksonville, Florida. (abstract)
- Becker, B, D Rockwood, B Tamang, E Maehr, and L Ma. 2006. SRWC-based phytoremediation systems for Florida and the Lower Southeast. Proc. 7th Biennial Meeting of the Short Rotation Woody Crops Working Group, September 25-28, 2006, Pasco, Washington.
- Rockwood, DL. 2006. Eucalypts for windbreaks in Florida. CREC Website. http://www.crec.ifas.ufl.edu/extension/windbreaks/resources/eucalyptu s.html
|
Progress 10/01/04 to 09/30/05
Outputs
Several field studies assessed SRWC options including genetic variation, site amendment, vegetation control, planting density and configuration, and rotation length across broad geographic, climatic, and edaphic ranges in Florida and similar portions of the Southeast. Genetic improvement of Eucalyptus species (E. amplifolia, EA, and E. grandis, EG) for diverse conditions in the Gulf Coast region, eastern cottonwood (Populus deltoides, PD) for agricultural quality sites or in intensive culture in the Southeast, cypress (Taxodium distichum, TD) for upland sites throughout Florida and adjacent states, and slash pine (Pinus elloittii, PE) hybrids for reclaimed titanium and phosphate mined lands utilized established and new genetic tests that provide excellent bases for identifying superior clones and progenies and roguing and establishing seed orchards. Applications of SRWCs in Florida and similar areas were derived from several studies that evaluate silvicultural
practices and genetic options. A 48 ha study near Lakeland evaluated EG, PD, and EA responses to genetic and cultural options for SRWCs on clay settling areas (CSA). This research couples current promising cogongrass management strategies with planting PD, EG, and/or EA for long-term cogongrass elimination and native plant reestablishment. A 2-year-old planting near Sumterville evaluates PD, EA, EG, and TD productivity in response to genetics and factorial combinations of compost, fertilization, and irrigation. Growth modeling extended existing preliminary growth and yield models for EG, EA, PD, and TD to predict yield potential over time for various products. Restoration of mined lands depends on development of methods that insure forest sustainability. Two studies on reclaimed satellite mined and unmined lands in northeast Florida addressed silvicultural methods for PE on titanium mined lands through a partial factorial of treatments involving subsoiling and non-subsoiling, four
fertilizers, weed control, and a mycorrhizae treatment. These studies were supplemented by a chronoseries of mined vs. unmined comparisons (10 plots per mined type per age) ranging up to 20 years of age. To assess the dendoremediation prospects for SRWCs, PD, EA, and/or EG based systems were evaluated in established studies on a wide range of contamined sites. SRWC systems were compared against various economic alternatives for lands with SRWC potential. Our analyses of SRWC economic returns indicated the importance of input costs, progeny, planting configurations, rotation age, yields, harvesting options, the decision to coppice or not coppice, stumpage and transportation prices, and market options. Yields and costs for EA, EG, and PD were updated, and models for PE on reclaimed mined lands and TD on upland sites were generated. Further, optimal production decisions for SRWCs as influenced by the incorporation of environmental benefits were explored. Social and political factors
influencing the energy and forestry sectors were examined.
Impacts
Market opportunities resulting from new management systems for EG, EA, PD, TD, and PE in Florida and similar areas are wide ranging. Eucalyptus is in high demand for pulp, and currently, EG is an alternative to TD mulch and has demonstrated high energywood productivity on reclaimed phosphate mined lands. Successful demonstration of SRWC production and cofiring in Florida could lead to SRWC development in the Gulf Coast region and similar environments. Central Florida has low opportunity cost land for developing biomass crops. If Florida's electric utilities used SRWCs to generate just 2% of total electricity produced, a new farming industry with an economic impact of over $100 million per year would be created. The cultural practices and systems developed will provide guidelines for maximizing SRWC productivity while minimizing environmental impacts. Contaminated sites, landfills, wastewater treatment facilities, stormwater collection areas, mined lands, agricultural
lands, and forestlands provide SRWC planting opportunities. Superior PD clones identified in this project will be suitable for the Southeast. EA has adaptability for the lower Gulf Coast, and improved EG will be suitable for central and southern Florida.
Publications
- Vergara, R, TL White, DA Huber, BD Shiver, and DL Rockwood. 2004. Estimated realized gains for first-generation slash pine (Pinus elliottii var. elliottii) tree improvement in the southeastern United States. Can. J. For. Res. 34(12):2587-2600.
- Langholtz, M, DR Carter, DL Rockwood, JRR Alavalapati, and AES Green. 2005. Effect of dendroremediation incentives on the profitability of short-rotation woody cropping of Eucalyptus grandis. Forest Policy and Economics 7(5): 806-817.
- Wullschleger, SD, SA Segrest, DL Rockwood, and CT Garten. 2004. Enhancing soil carbon sequestration on phosphate mine lands in Florida by planting short-rotation bioenergy crops. Third Annual Conference on Carbon Sequestration, Washington, DC.
- Green, AES, A Hermansen-Baez, AW Hodges, WH Smith, DL Rockwood, and JA Stricker. 2004. Multidisciplinary academic demonstration of a biomass alliance with natural gas. In: Proc. International Conference on Engineering Education, October 16-21, 2004, Gainesville, FL.
- Tamang B, M Langholtz, B Becker, S Segrest, D Rockwood, S Richardson, J Stricker. 2004. Fast Growing Tree Bridge Crops for Ecological Restoration of Phosphate Mined Lands. Proc. First National Conference on Ecosystem Restoration, December 6-10, 2004, Lake Buena Vista, Florida. p. 425. (http://conference.ifas.ufl.edu/ecosystem/abstracts.pdf)
- Lindner, AS, A Pacheco, D Rockwood, J Isebrands, and R Brigmon. 2004 Phytoremediation of TCE at Two Superfund Sites: Assessing Methanotroph Activity in the Rhizosphere. SBRP Annual Meeting, November 3-4, 2004, Seattle, WA.
- Rockwood DL, B Becker, A Lindner, A Pacheco, L Ma, C Lin, N Brown, T Spriggs, R Seip, J Isebrands, R Hall, R Lange, L Licht, and B Kanzler. 2005. Genetic testing prerequisites for effective tree-based phytoremediation systems. In: Magar VS and Kelley ME (Eds.), In Situ and On-Site Bioremediation-2005. Proceedings of the Eighth International In Situ and On-Site Bioremediation Symposium, June 6-9, 2005, Baltimore, MD, Paper D-??, Battelle Press, Columbus, OH.
- Isebrands JG, RM Lange, NJ Brown, RB Hall, DL Rockwood. 2005. Field evaluation methodology for solvent uptake in tree-based phytoremediation systems. In: Magar VS and Kelley ME (Eds.), In Situ and On-Site Bioremediation-2005. Proceedings of the Eighth International In Situ and On-Site Bioremediation Symposium, June 6-9, 2005, Baltimore, MD, Paper D-??, Battelle Press, Columbus, OH.
- Isebrands JG, DL Rockwood, RB Hall, A Lindner, A Pacheco, N Brown, and RM Lange. Field Evaluation of Phytoremediation of Perchloroethylene with Populus Clones at LaSalle Electric Utilities, LaSalle, Illinois. International Phytotech Conference, Atlanta, GA, April, 2005.
- Rockwood DL, GF Peter, MH Langholtz, B Becker, A Clark III, and J Bryan. 2005. Genetically Improved Eucalypts for Novel Applications and Sites in Florida. In: Proc. 28th South. For. Tree Improvement Conf., June 20-23, 2005, Raleigh, NC.
- Becker, B, D Rockwood, B Tamang, and E Maehr. 2005. Short-rotation woody crop production utilizing compost from municipal solid and agricultural waste. In: Status, Trends, and Future of the South's Forest and Agricultural Biomass, August 29-31, 2005, Athens, GA.
- Ma LQ, and DL Rockwood. 2005. 15. Fern-tree combinations for maximizing arsenic phytoremediation in Florida. In: School of Natural Resources and Environment Mini-Grant Programs Annual Report 2003-2004, SNRE/University of Florida. p.64-70. (http://snre.ufl.edu/funding/attachments/Mini-grant pct 20annual pct 20report pct 202003-04 pct 20final.pdf)
|
|