Surface Runoff, Soil, and Nutrient Fluxes of Cellulosic Biofuel Cropping Systems PDF Download
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Author: Michael James Polich
Publisher:
ISBN:
Category :
Languages : en
Pages : 87
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Book Description
Author: Michael James Polich
Publisher:
ISBN:
Category :
Languages : en
Pages : 87
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Book Description
Author: Ryan Scott Stenjem
Publisher:
ISBN:
Category :
Languages : en
Pages : 134
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Book Description
Author: Douglas L. Karlen
Publisher: John Wiley & Sons
ISBN: 1118676327
Category : Science
Languages : en
Pages : 363
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Book Description
Cellulosic Energy Cropping Systems presents a comprehensive overview of how cellulosic energy crops can be sustainably produced and converted to affordable energy through liquid fuels, heat and electricity. The book begins with an introduction to cellulosic feedstocks, discussing their potential as a large-scale sustainable energy source, and technologies for the production of liquid fuels, heat and electricity. Subsequent chapters examine miscanthus, switchgrass, sugarcane and energy cane, sorghums and crop residues, reviewing their phylogeny, cultural practices, and opportunities for genetic improvement. This is followed by a detailed focus on woody crops, including eucalyptus, pine, poplar and willow. Critical logistical issues associated with both herbaceous and woody feedstocks are reviewed, and alternate strategies for harvesting, transporting, and storing cellulosic materials are also examined. The final sectionof the booktackles the challenge of achieving long-term sustainability, addressing economic, environmental and social factors. Cellulosic Energy Cropping Systems is a valuable resource for academics, students and industry professionals working in the field of biomass cultivation and conversion, bioenergy, crop science and agriculture. Topics covered include: Identifying suitable cellulosic energy crops that are adapted to a wide range of climates and soils Best management practices for sustainably growing, harvesting, storing, transporting and pre-processing these crops The development of integrated cellulosic energy cropping systems for supplying commercial processing plants Challenges and opportunities for the long-term sustainability of cellulosic energy crops This book was conceived and initiated by David I. Bransby, Professor of Energy and Forage Crops in the Department of Crop, Soil and Environmental Sciences at Auburn University, USA. For more information on the Wiley Series in Renewable Resources, visit www.wiley.com/go/rrs
Author: Austin Parish
Publisher:
ISBN: 9780438757394
Category : Electronic dissertations
Languages : en
Pages : 59
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Book Description
Maize, switchgrass, miscanthus, and hybrid poplar are four of the leading crops considered as potential sources of biomass for conventional and cellulosic renewable biofuels. Many studies have investigated the evapotranspiration and soil water dynamics of these crops, but less is known about how they will affect deep drainage. More work is also needed to understand how the relationship between crop yield and water use will vary with climate. This thesis describes two studies investigating the hydrologic sustainability of these crops. The first is an observational study that makes use of yield, runoff, soil water content, and drainage measurements to estimate evapotranspiration and water use efficiency. Drainage was measured using automated equilibrium tension lysimeters. This advanced form of drainage measurement has not yet been used under this range of crops. The second study uses the Systems Approach to Land Use Sustainability (SALUS) crop growth model to simulate the response of crop yield and evapotranspiration to 30 years of variable climate. Results of these studies suggest that a) drainage under cellulosic crops will be significantly different from maize and b) climate will have a greater impact on the amount of water going to evapotranspiration than crop type.
Author: Merritt Finley Miller
Publisher:
ISBN:
Category : Cropping systems
Languages : en
Pages : 74
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Book Description
Author: Sander C. de Vries
Publisher:
ISBN: 9789461731173
Category : Energy crops
Languages : en
Pages : 211
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Book Description
Author:
Publisher: EcoSanRes Programme
ISBN: 9188714942
Category :
Languages : en
Pages : 43
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Book Description
Author: Andrew R. McGowan
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Substitution of cellulosic biofuel in place of gasoline or diesel could reduce greenhouse gas (GHG) emissions from transportation. However, emissions of nitrous oxide (N2O) and changes in soil organic carbon (SOC) could have a large impact on the GHG balance of cellulosic biofuel, thus there is a need to quantify these responses in cellulosic biofuel crops. The objectives of this study were to: (i) measure changes in yield, SOC and microbial communities in potential cellulosic biofuel cropping systems (ii) measure and characterize the temporal variation in N2O emissions from these systems (iii) characterize the yield and N2O response of switchgrass to N fertilizer and to estimate the costs of production. Sweet sorghum, photoperiod-sensitive sorghum, and miscanthus yielded the highest aboveground biomass (20-32 Mg ha−1). The perennial grasses sequestered SOC over 4 yrs, while SOC stocks did not change in the annual crops. Root stocks were 4-8 times higher in the perennial crops, suggesting greater belowground C inputs. Arbuscular mycorrhizal fungi (AMF) abundance and aggregate mean weight diameter were higher in the perennials. No consistent significant differences were found in N2O emissions between crops, though miscanthus tended to have the lowest emissions. Most N2O was emitted during large events of short duration (1-3 days) that occurred after high rainfall events with high soil NO3. There was a weak relationship between IPCC Tier 1 N2O estimates and measured emissions, and the IPCC method tended to underestimate emissions. The response of N2O to N rate was nonlinear in 2 of 3 years. Fertilizer induced emission factor (EF) increased from 0.7% at 50 kg N ha−1 to 2.6% at 150 kg N ha−1. Switchgrass yields increased with N inputs up to 100-150 kg N ha−1, but the critical N level for maximum yields decreased each year, suggesting N was being applied in excess at higher N rates. Yield-scaled costs of production were minimized at 100 kg N ha-1 ($70.91 Mg−1). Together, these results show that crop selection and fertilizer management can have large impacts on the productivity and soil GHG emissions biofuel cropping systems.
Author: Malay C. Saha
Publisher: Wiley-Blackwell
ISBN: 9780470960332
Category : Technology & Engineering
Languages : en
Pages : 300
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Book Description
Bioenergy and biofuels are generated from a wide variety of feedstock. Fuels have been converted from a wide range of sources from vegetable oils to grains and sugarcane. Second generation biofuels are being developed around dedicated, non-food energy crops, such as switchgrass and Miscanthus, with an eye toward bioenergy sustainability. Bioenergy Feedstocks: Breeding and Genetics looks at advances in our understanding of the genetics and breeding practices across this diverse range of crops and provides readers with a valuable tool to improve cultivars and increase energy crop yields. Bioenergy Feedstocks: Breeding and Genetics opens with chapters focusing primarily on advances in the genetics and molecular biology of dedicated energy crops. These chapters provide in-depth coverage of new, high-potential feedstocks. The remaining chapters provide valuable overview of breeding efforts of current feedstocks with specific attention paid to the development of bioenergy traits. Coverage in these chapters includes crops such as sorghum, energy canes, corn, and other grasses and forages. The final chapters explore the role of transgenics in bioenergy feedstock production and the development of low-input strategies for producing bioenergy crops. A timely collection of work from a global team of bioenergy researchers and crop scientists, Bioenergy Feedstocks: Breeding and Genetics is an essential reference on cultivar improvement of biomass feedstock crops.
Author: Bent Sorensen
Publisher: Routledge
ISBN: 1317740939
Category : Business & Economics
Languages : en
Pages : 2318
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Book Description
This four-volume set, edited by a leading expert in the field, brings together in one collection a series of papers that have been fundamental to the development of renewable energy as a defined discipline. Some of the papers were first published many years ago, but they remain classics in their fields and retain their relevance to the understanding of current issues. The papers have been selected with the assistance of an eminent international editorial board. The set includes a general introduction and each volume is introduced by a new overview essay, placing the selected papers in context. The range of subject matter is considerable, including coverage of all the main renewable technologies, the fundamental principles by which they function, and the issues around their deployment such as planning, integration and socio-economic assessment. Overall, the set provides students, teachers and researchers, confronted with thousands of journal articles, book chapters and grey literature stretching back decades, with a ready-made selection of and commentary on the most important key writings in renewable energy. It will be an essential reference for libraries concerned with energy, technology and the environment.
