Search Results - "Leytem, April"
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Occurrence and abundance of antibiotic resistance genes in agricultural soil receiving dairy manure
Published in FEMS microbiology ecology (01-03-2018)“…Animal manures are commonly used to enhance soil fertility, but there are growing concerns over the impact of this practice on the development and…”
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2
Tracking antibiotic resistance genes in soil irrigated with dairy wastewater
Published in The Science of the total environment (01-09-2018)“…The application of dairy wastewater to agricultural soils is a widely used practice to irrigate crops and recycle nutrients. In this study, small-scale field…”
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3
Long‐term dairy manure amendment promotes legacy phosphorus buildup and mobility in calcareous soils
Published in Journal of environmental quality (01-05-2024)“…Continuous application of dairy manure to soils can lead to excessive phosphorus (P) accumulation (legacy P), which requires understanding for managing…”
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4
Emissions of Ammonia, Methane, Carbon Dioxide, and Nitrous Oxide from Dairy Cattle Housing and Manure Management Systems
Published in Journal of environmental quality (01-09-2011)“…Concentrated animal feeding operations emit trace gases such as ammonia (NH3), methane (CH4), carbon dioxide (CO2), and nitrous oxide (N2O). The implementation…”
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5
Survey of selected antibiotic resistance genes in agricultural and non-agricultural soils in south-central Idaho
Published in FEMS microbiology ecology (01-06-2019)“…Improving our understanding of antibiotic resistance in soils is important for the protection of human, animal and ecological health. In south-central Idaho,…”
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6
Ammonia and nitrous oxide emission factors for excreta deposited by livestock and land‐applied manure
Published in Journal of environmental quality (01-09-2021)“…Manure application to land and deposition of urine and dung by grazing animals are major sources of ammonia (NH3) and nitrous oxide (N2O) emissions. Using data…”
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7
Impact of the intensification of beef production in Brazil on greenhouse gas emissions and land use
Published in Agricultural systems (01-03-2016)“…Brazil has the largest herd of beef cattle in the world, estimated at approximately 200 million animals. Production is predominantly pasture-based and low…”
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8
Simulating soil nitrogen fate in irrigated crop production with manure applications
Published in The Science of the total environment (01-11-2021)“…Dairy manure is commonly applied to irrigated agricultural crops in the Magic Valley Region of southern Idaho, which has reported to impact the quality of…”
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9
National Greenhouse Gas Emission Reduction Potential from Adopting Anaerobic Digestion on Large-Scale Dairy Farms in the United States
Published in Environmental science & technology (16-07-2024)“…Waste-to-energy systems can provide a functional demonstration of the economic and environmental benefits of circularity, innovation, and reimagining existing…”
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10
Challenges and opportunities for manureshed management across U.S. dairy systems: Case studies from four regions
Published in Journal of environmental quality (01-07-2022)“…The manureshed represents cropland needed to safely assimilate manure nutrients from an animal feeding operation. Dairy manuresheds can be contained on‐farm…”
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DATAMAN: A global database of nitrous oxide and ammonia emission factors for excreta deposited by livestock and land‐applied manure
Published in Journal of environmental quality (01-03-2021)“…Nitrous oxide (N2O), ammonia (NH3), and methane (CH4) emissions from the manure management chain of livestock production systems are important contributors to…”
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12
Phosphorus Compounds in Sequential Extracts of Animal Manures: Chemical Speciation and a Novel Fractionation Procedure
Published in Environmental science & technology (15-11-2004)“…Pollution of water bodies by phosphorus in runoff from soil amended with animal manures is one of the greatest threats to water quality in developed countries…”
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13
Spatial Distribution of Ammonia Concentrations and Modeled Dry Deposition in an Intensive Dairy Production Region
Published in Atmosphere (01-01-2024)“…Agriculture generates ~83% of total US ammonia (NH ) emissions, potentially adversely impacting sensitive ecosystems through wet and dry deposition. Regions…”
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14
Uncertainty in phosphorus fluxes and budgets across the US long‐term agroecosystem research network
Published in Journal of environmental quality (01-07-2023)“…Phosphorus (P) budgets can be useful tools for understanding nutrient cycling and quantifying the effectiveness of nutrient management planning and policies;…”
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15
US agricultural nitrous oxide emissions: context, status, and trends
Published in Frontiers in ecology and the environment (01-12-2012)“…The use of commercial nitrogen (N) fertilizers has led to enormous increases in US agricultural productivity. However, N losses from agricultural systems have…”
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16
Detection of purple sulfur bacteria in purple and non-purple dairy wastewaters
Published in Journal of environmental quality (01-09-2015)“…Purple sulfur bacteria (PSB) in livestock wastewaters use reduced sulfur compounds and simple volatile organics as growth factors. As a result, the presence of…”
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17
Recovery of culturable Escherichia coli O157:H7 during operation of a liquid-based bioaerosol sampler
Published in Aerosol science and technology (02-01-2016)“…Collection fluids used in liquid-based bioaerosol samplers can influence the viability of microorganisms. In this study we determined the recovery efficiency…”
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18
Greenhouse Gas and Ammonia Emissions from an Open‐Freestall Dairy in Southern Idaho
Published in Journal of environmental quality (01-01-2013)“…Concentrated dairy operations emit trace gases such as ammonia (NH3), methane (CH4), and nitrous oxide (N2O) to the atmosphere. The implementation of air…”
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19
Effects of diet and manure storage method on carbon and nitrogen dynamics during storage and plant nitrogen uptake
Published in Agriculture, ecosystems & environment (01-12-2017)“…•Dietary change did not affect C and N losses or plant N uptake in manure storage.•Static piling manure reduced C losses compared to storing manure as…”
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Cycling Phosphorus and Nitrogen through Cropping Systems in an Intensive Dairy Production Region
Published in Agronomy (Basel) (01-05-2021)“…As pressure on the dairy industry to reduce its environmental impact increases, efficient recycling of manure nutrients through local cropping systems becomes…”
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