Mary C. Savin
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View article: A Practical Framework for Integrating Basic Separation Techniques with Molecular Quantification to Extract and Monitor Antibiotic Resistance Genes in Water Samples
A Practical Framework for Integrating Basic Separation Techniques with Molecular Quantification to Extract and Monitor Antibiotic Resistance Genes in Water Samples Open
Antibiotic resistance of harmful microorganisms is recognized as a serious threat to human and animal health, which is worsened by the dissemination of antibiotic resistance genes (ARGs). However, it remains challenging to identify ARGs in…
View article: Use of growing degree days to model the dynamics of aboveground biomass and nitrogen accumulation of winter cover crops
Use of growing degree days to model the dynamics of aboveground biomass and nitrogen accumulation of winter cover crops Open
Cover cropping is an important management practice that can benefit the cash crop and the environment. Plant species, weather, and cover crop termination influence biomass production and N fixation potential. This study was conducted to de…
View article: Assessing Food Waste Compost as a Substrate Amendment for Tomato and Watermelon Seedlings
Assessing Food Waste Compost as a Substrate Amendment for Tomato and Watermelon Seedlings Open
A greenhouse study investigated the influence of various food waste compost (FWC) and potting mix (PM) blends on germination, growth, and nutrient uptake of tomato ( Solanum lycopersicum ) and watermelon ( Citrullus lanatus ) seedlings. So…
View article: Root decomposition and nutrient dynamics in multifunctional forage‐biomass buffer‐strip systems
Root decomposition and nutrient dynamics in multifunctional forage‐biomass buffer‐strip systems Open
Perennial crops are thought as a solution for enhancing food security and providing ecosystem services under a changing climate, including forage‐biomass production, reduced erosion and nutrient leaching, and soil C accumulation. However, …
View article: Biphasic models improved <i>S</i>‐metolachlor dissipation endpoint predictions
Biphasic models improved <i>S</i>‐metolachlor dissipation endpoint predictions Open
Accurate predictions of herbicide dissipation endpoints are essential for making environmental management decisions, estimating the duration of weed control, and deciding crop replant and rotation options. The performance of the single fir…
View article: No‐till impacts on soil organic carbon and soil quality in the Lower Mississippi River basin: Implications for sustainable management
No‐till impacts on soil organic carbon and soil quality in the Lower Mississippi River basin: Implications for sustainable management Open
No‐till (NT) alleviates adverse effects of agricultural production on environmental quality, improves soil health, and reduces greenhouse gas emissions, yet this has not been demonstrated in humid subtropical Mississippi. Research objectiv…
View article: Leaching of antibiotic resistance genes and microbial assemblages following poultry litter applications in karst and non-karst landscapes
Leaching of antibiotic resistance genes and microbial assemblages following poultry litter applications in karst and non-karst landscapes Open
Antibiotic resistance is increasingly recognized as a critical challenge affecting human, animal, and environmental health. Yet, environmental dynamics and transport of antibiotic resistance genes (ARGs) and microbial communities in karst …
View article: Long-term impacts of conservation pasture management in manuresheds on system-level microbiome and antibiotic resistance genes
Long-term impacts of conservation pasture management in manuresheds on system-level microbiome and antibiotic resistance genes Open
Animal manure improves soil fertility and organic carbon, but long-term deposition may contribute to antibiotic resistance genes (ARGs) entering the soil-water environment. Additionally, long-term impacts of applying animal manure to soil …
View article: Determining cardinal temperatures for eight cover crop species
Determining cardinal temperatures for eight cover crop species Open
Growing degree days (GDD) is a tool to predict plant growth and can be adapted for use in any plant species, including cover crops. A limitation of the GDD calculation is accurate temperature parameters used to predict plant development. F…
View article: S-metolachlor persistence in soil as influenced by within-season and inter-annual herbicide use
S-metolachlor persistence in soil as influenced by within-season and inter-annual herbicide use Open
The ability to predict fate of pesticides in the environment is crucial for sustainable management. This process starts with a proper characterization of the dissipation of a parent compound under different sets of conditions. There is wid…
View article: Resistance of Palmer amaranth (<i>Amaranthus palmeri</i>) to <i>S</i>-metolachlor in the midsouthern United States
Resistance of Palmer amaranth (<i>Amaranthus palmeri</i>) to <i>S</i>-metolachlor in the midsouthern United States Open
Palmer amaranth ( Amaranthus palmeri S. Watson) is one of the most problematic weeds in many cropping systems in the midsouthern United States because of its multiple weedy traits and its propensity to evolve resistance to many herbicides …
View article: Transpiration Responses of Herbicide-Resistant and -Susceptible Palmer Amaranth (Amaranthus palmeri (S.) Wats.) to Progressively Drying Soil
Transpiration Responses of Herbicide-Resistant and -Susceptible Palmer Amaranth (Amaranthus palmeri (S.) Wats.) to Progressively Drying Soil Open
Drought events are predicted to increase in the future. Evaluating the response of herbicide-resistant and -susceptible weed ecotypes to progressive drought can provide insights into whether resistance traits affect the fitness of resistan…
View article: Transpiration Responses of Herbicide-Resistant and -Susceptible Palmer amaranth [<em>Amaranthus palmeri</em> (S.) Wats.] to Progressively Drying Soil
Transpiration Responses of Herbicide-Resistant and -Susceptible Palmer amaranth [<em>Amaranthus palmeri</em> (S.) Wats.] to Progressively Drying Soil Open
Drought events are predicted to become more prevalent in the future. Evaluating the performance of herbicide-resistant and susceptible weed ecotypes to progressive drought can provide insights into whether resistance trait(s) increased or …
View article: Identification of earthworm species in sand‐topdressed hybrid bermudagrass golf tees
Identification of earthworm species in sand‐topdressed hybrid bermudagrass golf tees Open
On golf courses, casting – the egestion of feces – by earthworms on the turfgrass surface can affect playability, growth, and maintenance. The earthworm species responsible for surface casting vary depending on location, climate and weathe…
View article: Do Long-Term Conservation Pasture Management Practices Influence Microbial Diversity and Antimicrobial Resistant Genes in Runoff?
Do Long-Term Conservation Pasture Management Practices Influence Microbial Diversity and Antimicrobial Resistant Genes in Runoff? Open
Runoff from land-applied manure and poultry litter is one mechanism by which manure-borne bacteria are transported over large distances in the environment. There is a global concern that antimicrobial resistant (AMR) genes may be transmitt…
View article: Earthworm differences among mound positions in native prairies in the Ozark Highlands
Earthworm differences among mound positions in native prairies in the Ozark Highlands Open
Mounded, tallgrass prairie ecosystems are a unique, endangered ecosystem due to severe disturbance for agricultural production and/or urban expansion. Limited research exists on earthworm ( Lumbricus terrestris ) dynamics in mounded, tallg…
View article: Earthworm density differences among tallgrass prairies over time in the Ozark Highlands
Earthworm density differences among tallgrass prairies over time in the Ozark Highlands Open
To mitigate the loss of tallgrass prairies through fragmentation and conversion to other land uses, prairie restoration efforts have been undertaken to reclaim areas that have been previously used for agricultural production. Earthworms ar…
View article: Soil quality indices as affected by long‐term burning, irrigation, tillage, and fertility management
Soil quality indices as affected by long‐term burning, irrigation, tillage, and fertility management Open
Understanding the impacts of long‐term agricultural practices on soil quality (SQ) is key for sustaining agroecosystem productivity. This study investigated conventional and no‐tillage (NT), residue burning and no burning, residue level (h…
View article: Peer Review #2 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.1)"
Peer Review #2 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.1)" Open
PROJECT PLAN The persistence of antimicrobial resistant (AMR) genes in the soilenvironment is a concern, yet practices that mitigate AMR are poorly understood, especially in grasslands.Animal manures are widely deposited on grasslands, whi…
View article: Peer Review #2 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.3)"
Peer Review #2 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.3)" Open
PROJECT PLAN The persistence of antimicrobial resistant (AMR) genes in the soilenvironment is a concern, yet practices that mitigate AMR are poorly understood, especially in grasslands.Animal manures are widely deposited on grasslands, whi…
View article: Peer Review #1 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.3)"
Peer Review #1 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.3)" Open
PROJECT PLAN The persistence of antimicrobial resistant (AMR) genes in the soilenvironment is a concern, yet practices that mitigate AMR are poorly understood, especially in grasslands.Animal manures are widely deposited on grasslands, whi…
View article: Peer Review #1 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.1)"
Peer Review #1 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.1)" Open
PROJECT PLAN The persistence of antimicrobial resistant (AMR) genes in the soilenvironment is a concern, yet practices that mitigate AMR are poorly understood, especially in grasslands.Animal manures are widely deposited on grasslands, whi…
View article: Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management
Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management Open
The persistence of antimicrobial resistant (AMR) genes in the soil-environment is a concern, yet practices that mitigate AMR are poorly understood, especially in grasslands. Animal manures are widely deposited on grasslands, which are the …
View article: Peer Review #2 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.2)"
Peer Review #2 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.2)" Open
PROJECT PLAN The persistence of antimicrobial resistant (AMR) genes in the soilenvironment is a concern, yet practices that mitigate AMR are poorly understood, especially in grasslands.Animal manures are widely deposited on grasslands, whi…
View article: Peer Review #1 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.2)"
Peer Review #1 of "Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management (v0.2)" Open
PROJECT PLAN The persistence of antimicrobial resistant (AMR) genes in the soilenvironment is a concern, yet practices that mitigate AMR are poorly understood, especially in grasslands.Animal manures are widely deposited on grasslands, whi…
View article: Microdialysis: a method for quantifying in situ nitrogen fluxes in soil microsites
Microdialysis: a method for quantifying in situ nitrogen fluxes in soil microsites Open
Microdialysis, a diffusion-based sampling technique commonly used in biomedical research, has recently been recognized as a candidate for monitoring chemical changes in the rhizosphere. The information it provides about nutrient diffusion …
View article: Soil quality indices based on long‐term conservation cropping systems management
Soil quality indices based on long‐term conservation cropping systems management Open
The Soil Management Assessment Framework (SMAF) may provide insight into how conservation practices affect soil quality (SQ) regionally. Therefore, we aimed to quantify SQ in a long‐term (15‐yr) crop rotation and bio‐covers experiment unde…