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Showing 1 to 20 of 148 for “"Switchgrass"”.
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Switching to Switchgrass: Pathways and consequences of bioenergy switchgrass entering the Midwestern landscape
… and US Federal Agencies have identified switchgrass (Panicum virgatum L.) as a potential feedstock for next generation biofuels to help meet this goal because of its excellent agronomic and environmental characteristics. With national policy supporting the development of a switchgrass to …
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A cytological study of switchgrass, Panicum virgatum
Call number: LD2668 .T4 1957 C37
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Switchgrass tolerance to cadmium: uptake and translocation
Recent efforts have been initiated to develop switchgrass (Panicum virgatum L.) as a bioenergy crop. Switchgrass requires input of nitrogen (N) to be productive. Alternatives to inorganic fertilizers are needed to reduce input costs and maintain a positive energy balance. Municipal sludge may be an …
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Evaluating Economic Impacts of Switchgrass Harvest Time
… of production for cellulosic energy crops of switchgrass, miscanthus, and energy sorghum. The first chapter explains the rationale for development of decision support software called Energy Crop Analysis & Planning (ENCAP) and Switchgrass Harvest Date, Yield, Nutrient Removal Estimator …
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Water relations and cutting management of switchgrass
Switchgrass (Panicum virgatum L.), a warm-season grass, grows most rapidly in mid-summer when cool-season species such as tall fescue (Festuca arundinacea Schreb.) may have limited growth due to high temperature and low soil moisture availability. The objectives of this study were to investigate …
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No-till establishment of switchgrass and Caucasian bluestem
… and carbofuran on establishment of switchgrass (Panicum virgatum L.) and Caucasian bluestem [Boyhtiochloa caucasica (Trin.) C. E. Hubbard]. Treatments of carbofuran at 0 and 1.1 atrazine/ha placed in the row with the seed and of atrazine broadcast at 0, 1.1, and 2.2 kg/ha were …
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Biological and Agronomic Aspects of Two Insect Predators of Switchgrass
<p>Switchgrass (Panicum virgatum L.) is considered a potential model for an alternative fuel source in North America. Recently, two insect pests of switchgrass have been identified. The switchgrass moth [Blastobasis repartella (Dietz): Lepidoptera: Coleophoridae] feeds in the basal internodes and …
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Genetic engineering of sorghum and switchgrass for improved biofuel production
… instability and environmental issues worldwide. Switchgrass has been considered as an excellent feedstock for biofuels due to the high cellulosic content, wide adaptation as well as the lower input energy for production. Sorghum is the fifth most important crop in the world for human staple food …
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Switchgrass as an Energy Crop: Fertilization, Cultivar, and Cutting Management
Switchgrass (Panicum virgatum L.) has potential as a biofuels feedstock. Major management questions include cultivar selection, cutting management, and optimizing N fertilization. Four cultivars of switchgrass were evaluated under two cutting regimes at eight locations within KY, NC, TN, VA, and WV …
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Conversion of Switchgrass into Functional Carbon Materials and Food Emulsifiers
Switchgrass is a perennial grass native to North America. It can easily grow in a variety of conditions with a high yield. In recent years, it has gained increasing attention as a feedstock for biofuel production. However, the process is limited due to the high-cost and immature technologies. …
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Senescence of Native Perennial Warm Season Grasses Senescence Associated Switchgrass Transcriptome
… analysis on early and late senescencing switchgrass cultivars reveals upregulation of starch metabolism, light reactions, Calvin-Benson Cycle, and anthocyanin synthesis in late senescencing switchgrass. Morphological variations between the two germplasms prolong the growing season of late …
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Switchgrass potential on reclaimed surface mines for biofuel production in West Virginia
… in, and development of renewable biofuels. Switchgrass (Panicum virgatum L.), a warm season perennial grass, has been investigated as a source of biofuel feedstock due to its high biomass production on marginal soils, its tolerance of harsh growing conditions, and its ability to provide …
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Genetic Improvement of Switchgrass Cell Wall Content, Leaf Angle and Flowering Time
Switchgrass (Panicum virgatum L.) is a candidate bioenergy crop. Somatic embryogenic (SE) calli are used for genetic transformation in switchgrass. A superior switchgrass line, HR8, was developed using recurrent tissue culture selection from cv. Alamo. HR8 SE calli were genetically transformable …
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Analysis and Simulation of Switchgrass Harvest Systems for Large-scale Biofuel Production
… harvest, harvesting approximately 50% of total switchgrass harvest in July-September, as compared to harvesting approximately 50% in October-December, resulted in reductions in round balers ranging from 33.3- 43.5%. An extended (9-month) harvest resulted in the lowest annual baler requirements, …
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Studies on the Plasticity of Dormancy and on Aging in Switchgrass Seeds
The dormancy of switchgrass (Panicum virgatum L.) seeds may be broken by a variety of treatments, including after-ripening and stratification. This study was conducted to investigate and characterize more systematically factors affecting both after-ripening and stratification effectiveness, and the …
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Experiments and modeling of size reduction of switchgrass in laboratory rotary knife mill
… size reduction process. The model was applied to switchgrass size reduction by a grinder. Two population balance parameters, grinding rate (s⁻¹) and breakage distribution function (dimensionless) were estimated using experimental grinding data. The time dependent balance equations were solved …
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