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Transport Of Copiotrophic Bacteria In Oligotrophic Coarse Soils
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Book Synopsis Transport of Copiotrophic Bacteria in Oligotrophic Coarse Soils by : Thomas C. Peterson
Download or read book Transport of Copiotrophic Bacteria in Oligotrophic Coarse Soils written by Thomas C. Peterson and published by . This book was released on 1987 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bacterial Transport in Coarse Soils Beneath On-site Wastewater Treatment Systems by : Thomas C. Peterson
Download or read book Bacterial Transport in Coarse Soils Beneath On-site Wastewater Treatment Systems written by Thomas C. Peterson and published by . This book was released on 1987 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Bulletin written by and published by . This book was released on 1987-11 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Bul written by and published by . This book was released on 1932 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Bulletin - Colorado Agricultural Experiment Station, Colorado Agricultural and Mechanical College by : Colorado Agricultural Experiment Station
Download or read book Technical Bulletin - Colorado Agricultural Experiment Station, Colorado Agricultural and Mechanical College written by Colorado Agricultural Experiment Station and published by . This book was released on 1932 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Bul written by and published by . This book was released on 1986 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Oligotrophic Bacteria and Root Disease Suppression in Organically Managed Soils by : Ilya V Senechkin
Download or read book Oligotrophic Bacteria and Root Disease Suppression in Organically Managed Soils written by Ilya V Senechkin and published by . This book was released on 2013 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Serves Colorado by : Colorado State University
Download or read book Research Serves Colorado written by Colorado State University and published by . This book was released on 1985 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1988 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Serves Colorado by : Colorado Agricultural Experiment Station
Download or read book Research Serves Colorado written by Colorado Agricultural Experiment Station and published by . This book was released on 1987 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bacterial Growth in Soils by : Kevin John McAneney
Download or read book Bacterial Growth in Soils written by Kevin John McAneney and published by . This book was released on 1979 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report by : Colorado Agricultural Experiment Station
Download or read book Annual Report written by Colorado Agricultural Experiment Station and published by . This book was released on 1985 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ecology of Soil Bacteria by : Timothy R. G. Gray
Download or read book The Ecology of Soil Bacteria written by Timothy R. G. Gray and published by . This book was released on 1967 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: The environment of soil bacteria; Methods for the isolation and estimation of activity of soil bacteria; The physiology of soil bacteria; The taxonomy of soil bacteria; Bacteria in the root region of plants; The growth of bacteria in soil.
Book Synopsis The Ecology of Soil Bacteria by : Timothy R. G. Gray
Download or read book The Ecology of Soil Bacteria written by Timothy R. G. Gray and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diversity and Transport of Bacteria and Viruses in Soils Following Irrigation with Recycled Water by :
Download or read book Diversity and Transport of Bacteria and Viruses in Soils Following Irrigation with Recycled Water written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Field and laboratory analyses were conducted to study bacteria and virus transport and diversity in surface soils following irrigation with recycled water. Field test plots were irrigated with R-1 (oxidized, filtered, disinfected) water and tap water, and pan lysimeters were used to collect leachate water samples. R-1, R-2 (oxidized, disinfected), R-3 (oxidized only) and tap water were applied to soil columns. Fecal coliform and coliphage were only found in the leachate from the R-3 soil column. Polymerase chain reaction denaturing gradient gel electrophoresis analysis (PCR-DGGE) of 165 rRNA genes was used to analyze the bacterial population in leachate and soil samples from different depths. The R-1 field test plot had a more diversified bacterial community than a tap water control plot. Surface soils from field test plots had more bacteria species than that of bottom soils. Different DGGE banding profiles were found at different depths in R-1, R-2 and R-3 effluent soil columns. UV dosage did have some effect on soil microbial diversity.
Book Synopsis An Analysis of the Transport of Bacteria from Biosolids Through the Unsaturated Profiles of Three Different Soils by : Joanna Passmore
Download or read book An Analysis of the Transport of Bacteria from Biosolids Through the Unsaturated Profiles of Three Different Soils written by Joanna Passmore and published by . This book was released on 2005 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecological Dynamics in Compost-Amended Soils and the Resulting Effects on Escherichia Coli Survival by : Anya Jaffe Cutler
Download or read book Ecological Dynamics in Compost-Amended Soils and the Resulting Effects on Escherichia Coli Survival written by Anya Jaffe Cutler and published by . This book was released on 2016 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Escherichia coli (E. coli) are common and typically innocuous copiotrophic bacteria found in the mammalian gut microbiome. However, over the past 30 years, pathogenic E. coli have been responsible for several outbreaks of foodborne illness linked to contaminated produce. The introduction of Escherichia coli to an agricultural soil, via contaminated water, compost, or raw manure, exposes the bacterium to a medley of ecological forces not found in a mammalian gut environment. This study assesses a variety of abiotic and biotic soil factors that influence the ability of an "invasive" copiotrophic coliform bacterium to survive in compost-amended agricultural soil. The study included both field and laboratory components. In the lab experiment, a cocktail of rifampicin-resistant generic E.coli strains was added to sterile and non-sterile extracts of eight different composts and one soil sample from the field sites. E. coli abundance was monitored over a one-week period and composts were analyzed for their nutrient profile. In the field experiment, the same E. coli cocktail was sprayed on plots with the following treatments: 1) dairy windrow compost, 2) dairy vermicompost, 3) poultry windrow compost, or 4) no compost. E. coli abundance, soil water potential, soil temperature, extracellular enzyme activity, microbial respiration, phospholipid fatty acid biomarker abundance, and genetic sequencing of the microbial community were measured over a six-month field season. The lab experiment showed that E. coli were able to grow well in sterile compost extracts, without microbial competition for nutrients. Conversely, E. coli populations were only able to survive in non-sterile soil extracts. These results suggest that copiotrophic organisms adapted for high-nutrient environments may depend on the extracellular enzyme activity of native oligotrophic organisms to acquire sufficient nutrients to survive in soils. Results of the field experiment showed clear and interdependent effects of soil moisture and nutrient availability on microbial community dynamics and E. coli survival. Data suggest that saturated soils cause a decrease in microbial extracellular enzyme activity, and drying-rewetting cycles can cause respiration bursts, nutrient mineralization, and shifts in community composition. The saturation of soils, which mobilizes nutrients and may result in a decrease in competition from aerobic organisms, correlated directly with increased survival of E. coli. Additionally, amendment with ammonium-rich poultry compost resulted in the maintenance of high levels of E. coli throughout the field season. Despite an increase in microbial biomass from dairy vermicompost amendment, poultry compost was the only compost that had a significant effect on E. coli survival. The results suggest that nitrogen availability and water potential are strong drivers of E. coli's survival in soils. Correlations among abiotic factors, community composition, and E. coli survival reveal insights into the complex relationships that occur in disturbed agricultural soil environments. Further research on E. coli's response to targeted organisms, abiotic soil properties, and nutrient inputs could have implications for agricultural considerations in food safety and microbial ecology.