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Biochar Amendment Of Grassland Soil May Promote Woody Encroachment By Eastern Red Cedar, Ramesh Laungani, Kenneth Elgersma, Maria Juarez, Kristin Mcelligott, Tyler Kuhfahl
Biochar Amendment Of Grassland Soil May Promote Woody Encroachment By Eastern Red Cedar, Ramesh Laungani, Kenneth Elgersma, Maria Juarez, Kristin Mcelligott, Tyler Kuhfahl
Faculty Publications
Although carbon (C) additions to soil have been used in restoration to combat invasive species through changes in soil nitrogen (N) availability, carbon amendments to soil derived from plant material can impact soil N availability in a species-specific manner. As such, amendment-driven feedbacks on N may impact invasive species success and woody encroachment. Soil amendments like biochar, which is often added to soil to increase C storage in grassland systems, may unintentionally encourage woody encroachment into these grasslands by changing soil N dynamics. Few studies have examined biochar impacts on non-agricultural species, particularly invasive species. Woody encroachment of Eastern Red …
Assessing The Use Of Food Waste Biochar As A Biodynamic Plant Fertilizer, Rachel Mazac
Assessing The Use Of Food Waste Biochar As A Biodynamic Plant Fertilizer, Rachel Mazac
Departmental Honors Projects
Biochar is a charcoal-like substance produced from plant material such as food waste. Converting food waste into a useful product would mitigate environmental damage through reduced landfill inputs, reduced greenhouse gas production, and increased benefits to soils. I asked (1) if biochar improved plant growth and (2) if the effects of biochar varied among different samples of mixed food waste (batches) and between different biochar preparation times (treatments). Four independent batches of biochar were prepared with assorted, uncooked food waste collected from a university dining facility. Each batch was dried then placed in a covered ceramic pot at 260℃ for …
Enhancing The Industrial Potential Of Filamentous Cyanobacteria, Tylor J. Johnson
Enhancing The Industrial Potential Of Filamentous Cyanobacteria, Tylor J. Johnson
Electronic Theses and Dissertations
The objectives of this project were to improve the industrial potential of filamentous N2-fixing cyanobacteria by increasing its biofuel tolerance, and to evaluate the economic feasibility and environmental impacts of a theoretical, cyanobacteria-based biofuel production facility. To develop a method to quantify filamentous cyanobacteria in dilute culture media, a dual-stained fluorescence assay was evaluated. While the viable cell stain (SYTO® 9) was accurate, the non-viable cell stain (propidium iodide) also bound to viable cells. Additional non-viable cell stains were evaluated, but none were accurate at quantifying viability. Thus we concluded that the viable cell stain SYTO® 9 is a reliable …