Native Warm-season Grasses PDF Download

Author: Naroon Waramit
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Author: Naroon Waramit
Publisher:
ISBN:
Category :
Languages : en
Pages : 404

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Author: Chamara Sandaruwan Weerasekara Imbulana Acharige
Publisher:
ISBN:
Category :
Languages : en
Pages : 112

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Perennial warm-season grasses have drawn interest as bioenergy feedstocks due to their high productivity with minimal amounts of inputs under a wide range of geography while producing multiple environmental benefits. Nitrogen (N) fertility and harvest timing are critical management practices when optimizing biomass yield of these grasses. Our objective was to quantify the impact of N fertilizer rate and application timing in combination with the harvest date on warm-season grass yield and feedstock quality. Research was conducted in 2014 and 2015 on a total of four field-plot locations in Missouri. The experiment was a split-plot design where N rate and harvest timing were main and sub-plot treatments, respectively. Nitrogen rates were 0, 30, 60, and 90 lbs/ac with two application timings, all early spring and split N (early spring and following 1st harvest). Harvest timing treatments included two single (September and November) and two double harvests (June harvest followed by a September or a November harvest) per year. In both years, delaying harvest until November improved biomass yield, energy and ethanol production while reducing total N and ash contents across sites. November harvest and N rates [greater than or equal to]60 lbs/ac improved biomass yields. Although N fertilization improved yield, N use metrics declined with annual N rates of [greater than]30 lbs/ac. Nitrogen fertilization at 60 lbs/ac per year provides an opportunity to maintain a balance between yield and efficiency of N inputs while improving energy and ethanol production, high feedstock quality. Our results highlight the simultaneous implications of N fertilization and harvest management for optimizing warm-season grasses grown as bioenergy feedstocks.

Author: Vimal Chandra Pandey
Publisher: Elsevier
ISBN: 0128177330
Category : Science
Languages : en
Pages : 394

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Phytoremediation Potential of Perennial Grasses provides readers with the knowledge to select specific perennial grass species according to site-specific needs. In addition, it demonstrates the potential opportunities for grass-based phytoremediation to yield phytoproducts, especially biomass-based bioenergy and aromatic essential oils as a green economy while in the process of remediating contaminated sites. The book brings together recent and established knowledge on different aspects of grass-based phytoremediation, providing this information in a single source that offers a cutting-edge synthesis of scientific and experiential knowledge on polluted site restoration that is useful for both practitioners and scientists in environmental science and ecology. Provides a holistic approach to grass-based phytoremediation, covering the ecological, economic and social issues related to its management Addresses the key role that grass-based phytoremediation plays in maintaining ecosystem services in polluted sites Includes strategies to mitigate costs related to the phytoremediation of polluted sites

Author: Bharat P. Singh
Publisher: CABI
ISBN: 1845938852
Category : Science
Languages : en
Pages : 537

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Providing comprehensive coverage on biofuel crop production and the technological, environmental and resource issues associated with a sustainable biofuel industry, this book is ideal for researchers and industry personnel. Beginning with an introduction to biofuels and the challenges they face, the book then includes detailed coverage on crops of current importance or with high future prospects, including sections on algae, sugar crops and grass, oil and forestry species. The chapters focus on the genetics, breeding, cultivation, harvesting and handling of each crop.

Author: Sharon Clay
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0

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The North American Great Plains tallgrass prairie was once a system of native cool and warm season grasses, which have been degraded by non-native invasive plants. Native grass restoration is highly desirable to improve ecosystem functions and productivity. In this two-year study, the impact of fire, herbicide, and nitrogen on productivity and the presence of invasive species [primarily the cool season grass, smooth brome (Bromus inermis Leyss.)] and native warm season native grass species [big bluestem (Andropogon gerardii Vitman), sideoats and blue grama (Bouteloua curtipendula (Michx.) Torr.), and B. gracilis (Willd. Ex Kunth) Lag. ex Griffiths] were investigated. Spring fire or a glyphosate application increased warm season grass biomass and decreased cool season grass biomass at peak warm season growth (August) during the treatment year. A second consecutive year of fire or herbicide further increased warm season grass biomass. If left untreated in the second year, cool season grasses tended to increase when sampled in August. Long-term management implementation is needed to suppress the tenacious cool season species and encourage the reestablishment of warm season grass populations.

Author: Hong Luo
Publisher: CRC Press
ISBN: 1466596368
Category : Science
Languages : en
Pages : 467

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This book contains the most comprehensive reviews on the latest development of switchgrass research including the agronomy of the plant, the use of endophytes and mycorrhizae for biomass production, genetics and breeding of bioenergy related traits, molecular genetics and molecular breeding, genomics, transgenics, processing, bioconversion, biosystem and chemical engineering, biomass production modeling, economics of switchgrass feedstock production etc. The book will be of interest and great value to the switchgrass research communities in both academia and industry and a handbook for agronomists, geneticists, breeders, molecular biologists, physiologists, biosystems engineers and chemical engineers.

Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 880

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Author: Iowa State University
Publisher:
ISBN:
Category : Commencement ceremonies
Languages : en
Pages : 124

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Author: John F. Vallentine
Publisher: Phoenix, Ariz. : Oryx Press
ISBN:
Category : Livestock
Languages : en
Pages : 186

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