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2016

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Knots And Knot Groups, Herath B. Senarathna Aug 2016

Knots And Knot Groups, Herath B. Senarathna

Research Papers

No abstract provided.

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Studi In Silico Single Chain Variable Fragment (Scfv) Selektif Terhadap Hormon Basic Natriuretic Peptide (Bnp), Shabarni Gaffar, Aga Adi Masyhuri, Yeni Wahyuni Hartati, Rustaman Rustaman Aug 2016

Studi In Silico Single Chain Variable Fragment (Scfv) Selektif Terhadap Hormon Basic Natriuretic Peptide (Bnp), Shabarni Gaffar, Aga Adi Masyhuri, Yeni Wahyuni Hartati, Rustaman Rustaman

Chimica et Natura Acta

Basic natriuretic peptide (BNP) merupakan polipeptida yang terdiri dari 32 asam amino yang disekresikan oleh bilik jantung untuk merespon peregangan yang berlebihan pada sel otot jantung. Pengeluaran BNP dimodulasi oleh ion kalsium. BNP berpotensi untuk digunakan sebagai marker untuk meramalkan pasien yang mengalami gagal jantung. Anti BNP single chain variable fragment (Anti BNP SCFV) merupakan gabungan polipeptida antara daerah yang bervariasi pada rantai heavy (VH) dan rantai light (VL) dari immunoglobulin. Anti BNP SCFV akan berikatan dengan BNP melalui pengenalan antigen-antibodi yang biasanya berada pada daerah CDR (Complementary Determining Region) yang merupakan bagian dari SCFV. Tujuan penelitian ini adalah untuk …

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Pengujian Potensi Antijamur Ekstrak Air Kayu Secang Terhadap Aspergillus Niger Dan Candida Albicans, Yenni Karlina, Putranti Adirestuti, Dewi Meliati Agustini, Nurul Laily Fadhillah, Nida Fauziyyah, Desi Malita Aug 2016

Pengujian Potensi Antijamur Ekstrak Air Kayu Secang Terhadap Aspergillus Niger Dan Candida Albicans, Yenni Karlina, Putranti Adirestuti, Dewi Meliati Agustini, Nurul Laily Fadhillah, Nida Fauziyyah, Desi Malita

Chimica et Natura Acta

Khasiat kayu secang sebagai minuman sudah banyak dikenal. Beberapa contoh penggunaan secara empiris adalah untuk mengatasi nyeri akibat gangguan sirkulasi darah, penawar racun bagi tubuh, antiseptik, antibakteri dan antikoagulan. Semua khasiat tersebut terkait dengan metabolit sekundernya, antara lain flavonoid, polifenol, terpenoid dan tanin yang membuat kayu secang memiliki aktivitas antibakteri. Pada penelitian sebelumnya diketahui fraksi metanol, ekstrak dan fraksi etanol dari kayu secang, menunjukan aktivitas antibakteri. Berdasarkan alasan tersebut, telah dilakukan penelitian tentang uji potensi kayu secang terhadap pertumbuhan Aspergillus niger dan Candida albicans. Ekstraksi dilakukan dalam pelarut air (mineral kemasan, pH 3,0 dan pH 7,0); pada suhu 60°C selama …

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From Horns To Helmets: Multi-Objective Design Optimization Considerations To Protect The Brain, Kyle Leslie Johnson Aug 2016

From Horns To Helmets: Multi-Objective Design Optimization Considerations To Protect The Brain, Kyle Leslie Johnson

Theses and Dissertations

This dissertation presents an investigation and design optimization of energy absorbent protective systems that protect the brain. Specifically, the energy absorption characteristics of the bighorn sheep skull-horn system were quantified and used to inform a topology optimization performed on a football helmet facemask leading to reduced values of brain injury indicators. The horn keratin of a bighorn sheep was experimentally characterized in different stress states, strain rates, and moisture contents. Horn keratin demonstrated a clear strain rate dependence in both tension and compression. As the strain rate increased, the flow stress increased. Also, increased moisture content decreased the strength and …

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Evaluation Of An On-Farm Water Storage System As A Bmp For Sediment And Nutrient Reduction, Nutrient Recycling, And Irrigation In East Mississippi, Ritesh Karki Aug 2016

Evaluation Of An On-Farm Water Storage System As A Bmp For Sediment And Nutrient Reduction, Nutrient Recycling, And Irrigation In East Mississippi, Ritesh Karki

Theses and Dissertations

Evaluation of an On-Farm Water Storage (OFWS) system as a Best Management Practice (BMP) for nutrient and sediment loading control and irrigation in East Mississippi has shown that the system can effectively reduce sediment and nutrient loading as it was able to capture 46 tons of sediment and 558 kg of phosphorus over the monitoring period. The system was also able to decrease nitrogen loading as shown from the nitrogen concentration in the captured storm runoff events although an accurate estimate could not be made using AnnAGNPS because adequate model input data was not available. The system was able to …

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Cogongrass [Imperata Cylindrica (L.) Beauv.] Control Using Chemical Treatment With Cover Cropping Systems, Maria Leticia Moraes Zaccaro Aug 2016

Cogongrass [Imperata Cylindrica (L.) Beauv.] Control Using Chemical Treatment With Cover Cropping Systems, Maria Leticia Moraes Zaccaro

Theses and Dissertations

Cogongrass management generally requires multiple herbicide applications, however, success is limited if not integrated with other methods. Experiments were conducted to evaluate the use of cover cropping systems with herbicides on cogongrass control. Field studies determined that sequential glyphosate applications in the summer were necessary to achieve 80% or greater control, but a single application could be effective if weather conditions allowed early planting and good cover crop establishment of Roundup Ready soybeans. Studies also indicated that the use of ALS-resistant Italian ryegrass and white clover crop combinations showed no effect, but imazapyr applications made in May or June provided …

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Comparison Of Student Success Using "Atoms First" Versus "Traditional" Curricula, Christina Sweeney Hillesheim Aug 2016

Comparison Of Student Success Using "Atoms First" Versus "Traditional" Curricula, Christina Sweeney Hillesheim

Theses and Dissertations

The purpose of this study was to investigate the difference between the “atoms first” and the “traditional” curricula. Specifically focusing on which curriculum better aligns to curricular expectations, leads to higher student success when students are grouped together, and when students are differentiated based on several factors. The main difference between the two approaches being the sequence of topics presented in the first semester general chemistry course. This study involves more than 9,500 general chemistry I and II students over 7 semesters with about half of them being taught using the “atoms first” approach. Student success was measured using the …

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Effects Of Dietary Lysine On Muscle Gene Expression And Fatty Acid Profiles And On Selected Carcass Characteristics And Plasma Hormone Concentrations In Late-Stage Finishing Pigs, Taiji Wang Aug 2016

Effects Of Dietary Lysine On Muscle Gene Expression And Fatty Acid Profiles And On Selected Carcass Characteristics And Plasma Hormone Concentrations In Late-Stage Finishing Pigs, Taiji Wang

Theses and Dissertations

Dietary inclusion of sufficient lysine is very critical for optimizing pig’s growth performance. The objectives of this project were to study the effects of dietary lysine at different concentrations on (1) the growth performance and carcass characteristics, (2) the muscle gene expression profile and the possible alterations to the metabolic and signaling pathways, (3) the muscle fatty acid profile, and (4) the plasma concentrations of growth-related hormones of late-stage finishing pigs. Nine crossbred barrows were assigned to 3 dietary treatments (lysine-deficient, equate, and -excess diets) according to a completely randomized experimental design. During the 5-week feeding trial, pigs were allowed …

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Development Of Assisted Reproductive Technologies For Endangered North American Salamanders, Ruth Marie Marcec Aug 2016

Development Of Assisted Reproductive Technologies For Endangered North American Salamanders, Ruth Marie Marcec

Theses and Dissertations

Amphibians are key health indicator species and important sentinels for ecosystem health. With 32% of amphibians threatened with extinction, and an additional 25% without enough data on record to fully understand their status, amphibians are facing what is being called the Amphibian Extinction Crisis. Of caudate amphibians (salamanders/newts), 49.8% are threatened or endangered, making them currently the most threatened vertebrate taxa. As a result of the Amphibian Extinction Crisis, it is imperative that captive breeding facilities be established as a hedge against future amphibian extinctions. Unfortunately, captive assurance colonies face frequent failure due to lack of natural stimuli, which are …

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Do Living Shorelines Contribute To The Accumulation Of Nutrients, Sediment, And Organic Matter Needed For The Maintenance Of Coastal Wetlands?, Saranee Dutta Aug 2016

Do Living Shorelines Contribute To The Accumulation Of Nutrients, Sediment, And Organic Matter Needed For The Maintenance Of Coastal Wetlands?, Saranee Dutta

Theses and Dissertations

Living shorelines are designed to address coastal erosion and their use is encouraged over that of hard structures such as sea walls and bulkheads because they provide habitat, improve water quality and stabilize shorelines. Objectives of this study were to: (i) Compare soil Nitrogen [N], Phosphorus [P], Organic Carbon [OC], organic matter (SOM) and soil bulk density between living, hardened and natural shoreline to determine if soil present within living shorelines is comprised of higher SOM and lower bulk density, that encourage marsh growth, as compared to hardened shorelines. (ii) Use an experimental mesocosm to test the effect of shoreline …

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Effect Of Rooting Media, Cultivars And Genotype On The Propagation Of Blueberry, Tripti Saha Aug 2016

Effect Of Rooting Media, Cultivars And Genotype On The Propagation Of Blueberry, Tripti Saha

Theses and Dissertations

The objectives of this research were to study: 1) the effects of five different propagation media containing composted materials on the rooting of semi hardwood blueberry cuttings and 2) the effects of four cultivars and one genotype on rooting responses of these cuttings. The media used were: peat moss and horticulture grade per lite as control, composted pine bark fines with only one-time application of ammonium nitrate, pine bark fines with composted cotton gin waste, hardwood with and composted chicken litter and pine bark with composted chicken litter. There were no significant differences among the media for rooting from semi …

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Cotton Growth And Developmental Responses To Multiple Environmental Stresses, David William Brand Aug 2016

Cotton Growth And Developmental Responses To Multiple Environmental Stresses, David William Brand

Theses and Dissertations

Individual and multiple stress factor effects of temperature on cotton growth and development were studied in four cotton cultivars. In Experiment I, seedling emergence rate and shoot and root morphological growth traits were measured on plants grown at five day/night temperatures from 20/12 to 40/32 °C. In Experiment II, multiple stress factors (CO2, temperature, UV-B radiation) and their interactions were evaluated during the seedling growth stage. Seed emergence and above- and below-ground growth and developmental traits were recorded in both experiments. Linear (TM-1 and PHY496W3R) and quadratic (DP1522B2XF and ST47447) functions best described seed emergence rate with an increase in …

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Design Of An American Football Helmet Liner For Concussion Mitigation, Gustavus Alston Rush Aug 2016

Design Of An American Football Helmet Liner For Concussion Mitigation, Gustavus Alston Rush

Theses and Dissertations

The objective of this research was to develop an optimal design for a polymeric American football helmet liner for concussion prevention utilizing experiments and high performance. Along with well-established injury criteria (HIC, SI, and Peak acceleration), localized brain injury mechanisms were explored by employing Finite Element simulations and experimental validation. Varying strain rate experiments (monotonic and hysteresis) were conducted on modern football helmet (Rush, Rawlings, Riddell, Schutt, and Xenith) liners and new possible polymeric foam liner materials. These experiments were used to characterize each material at low strain rates (0.1/sec; Instron), intermediate strain rates (100-120/sec; NOCSAE drop tower) and high …

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Auxin Herbicide Effects On Glyphosate Efficacy And Cotton (Gossypium Hirsutum) Yield, Chad Lee Smith Aug 2016

Auxin Herbicide Effects On Glyphosate Efficacy And Cotton (Gossypium Hirsutum) Yield, Chad Lee Smith

Theses and Dissertations

Field, greenhouse and laboratory experiments were implemented to investigate the effects of auxin herbicides on growth and yield of cotton in glyphosate based systems. Field experiments evaluated the effect of rate and timing of dicamba or 2,4-D exposure when applied in glyphosate-resistant cotton. Increasing rates of either dicamba or 2,4-D resulted in increased injury and yield reductions. Initial injury symptomology was similar for cotton exposed at vegetative and reproductive stages. When cotton was exposed to auxin herbicides during vegetative growth, injury increased with time, while foliar injury during reproductive growth was stagnant and often decreased with time. Subsequently, the strongest …

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Beach Users Perception Of Design Alternatives Of A Man Made Beach, Shelby Hooker Rayburn Aug 2016

Beach Users Perception Of Design Alternatives Of A Man Made Beach, Shelby Hooker Rayburn

Theses and Dissertations

The 42-kilometer beach in Harrison County, Mississippi necessitates continual re-nourishment projects to ensure its survival due to constant erosion events. The stability that the root structures of vegetated beaches provide have been shown to be a countermeasure to these erosion events. It has also been shown that the public will utilize landscapes that they find to be attractive. Therefore, the purpose of this thesis is to ascertain whether beach users find vegetated beaches more attractive than un-vegetated beaches. In several Harrison County communities, beach users were surveyed through the use of a Visual Preference Survey and an accompanying questionnaire to …

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A Horticultural Therapy Program For The Elderly: Effects On Cognition, Quality Of Life, And Loneliness, Mariah Ruth Baird Aug 2016

A Horticultural Therapy Program For The Elderly: Effects On Cognition, Quality Of Life, And Loneliness, Mariah Ruth Baird

Theses and Dissertations

Previous studies suggest there are numerous benefits of horticultural therapy programs. The current study explored the benefits of a horticultural therapy program with elderly populations at two facilities in Bowling Green, Kentucky. Fifteen participants attended a 2-hour session on horticulture techniques once a week for four weeks. Using a pretest to posttest study design, changes in participants’ cognition, quality of life, and loneliness were assessed. The pretest was administered verbally by the researcher before the first session and the posttest, including a series of questions about satisfaction with the program, was administered after the last session. Items on each assessment …

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A Novel Microextraction Method For Determining The Presence Of Pentachlorophenol In An Ongoing In-Situ Groundwater Remediation, Julianna Nicole Stratton Aug 2016

A Novel Microextraction Method For Determining The Presence Of Pentachlorophenol In An Ongoing In-Situ Groundwater Remediation, Julianna Nicole Stratton

Theses and Dissertations

Pentachlorophenol (penta) is a pollutant of concern worldwide. This study looks at a site that has been under remediation for the last 16 years due to penta contamination. The site has been air- and bio-sparged, phytoremediated and undergone in-situ chemical oxidation treatment in attempts to clean the ground water of penta. This thesis explores a novel microextraction method that has the promise of being more sensitive using less sample and fewer hazardous chemicals than conventional methods. Groundwater samples were extracted for phenolic compounds using a novel modified liquid microextraction protocol. Comparing our results with monitoring information from 2014, our method …

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Evaluating The Effectiveness Of Integrating Food Science Lessons In High School Biology Curriculum In Comparison To High School Chemistry Curriculum, Lauren Elizabeth Ivey Aug 2016

Evaluating The Effectiveness Of Integrating Food Science Lessons In High School Biology Curriculum In Comparison To High School Chemistry Curriculum, Lauren Elizabeth Ivey

Theses and Dissertations

Historically, high school chemistry has been the predominate venue for introducing food science curriculum to students. The purpose of this research was to determine if high school students in a biology class without a chemistry background could comprehend eight basic food science principles equally as well as students in a chemistry class that were taught the same principles. This study assessed baseline knowledge of high school students, determined the effect of food science-based lessons on baseline knowledge and level of understanding, and determined the effect of food science-based lessons on students’ awareness of and interest in food science. Baseline knowledge …

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Evaluation Of Rescue Applications On Glyphosate-Resistant Palmer Amaranth, Andrew Boyette Denton Aug 2016

Evaluation Of Rescue Applications On Glyphosate-Resistant Palmer Amaranth, Andrew Boyette Denton

Theses and Dissertations

Options for glyphosate-resistant (GR) Palmer amaranth [Amaranthus palmeri (S. Wats)] control are becoming limited. Research was conducted in 2014 and 2015 to evaluate the effectiveness of rescue herbicide applications on glyphosate-resistant Palmer amaranth. Research was established to evaluate efficacy provided by new and current herbicide programs on GR Palmer amaranth that was larger than recommended at the time of herbicide application. Studies included a postemergence application of different herbicides used singly and in combination at different initial application timings; sequential postemergence application timing evaluating herbicide tank mix combinations at five different time intervals between applications; and postemergence evaluation of herbicide …

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Examining Diversity And Inclusion In The Federal Workforce And The Impact Of Inclusion On Employee Engagement, Ashley N. Settles Aug 2016

Examining Diversity And Inclusion In The Federal Workforce And The Impact Of Inclusion On Employee Engagement, Ashley N. Settles

Theses and Dissertations

As a result of globalization, developing markets, and demographic changes in the U.S. labor force, the United States has become increasingly diverse. Therefore, diversity and inclusion is a vital part of our society. Diversity is often viewed as a double-edge sword. Proponents argue that the benefits of diversity include greater creativity, innovation, and improved organizational performance. Opponents argue that organizational diversity is costly, increases conflict, and is overall unfair. No matter what side of the diversity argument that you find yourself, there is a general sentiment that diversity alone, is not enough. The goal is to make workplaces inclusive. In …

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Experimental-Computational Analysis Of Woodpeckers' Beaks/Hyoid Apparatus For Damping Of Stress Waves, Na Yeon Lee Aug 2016

Experimental-Computational Analysis Of Woodpeckers' Beaks/Hyoid Apparatus For Damping Of Stress Waves, Na Yeon Lee

Theses and Dissertations

This dissertation proposes engineering principles for stress wave dissipation found in woodpeckers. From the experimental study of a woodpecker’s beaks via electron microscopy and mechanical testing, the three main design factors were pointed out. First, a woodpecker’s beak has wavy lines inside of the beak for local shearing. The waviness of wavy lines found in the woodpecker’s beaks was 1 while chicken’s was 0.3, and toucan’s was 0.05. Second, the woodpecker showed elongated the keratin scales to the pecking direction with a dimension ratio of 3.67 (width/height) while chicken’s and toucan’s were 3 and 1, respectively. Third, a woodpecker’s beak …

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Invasion Potential And Overwintering Biology Of The Redbay Ambrosia Beetle (Coleoptera: Curculionidae) In The United States, John Formby Aug 2016

Invasion Potential And Overwintering Biology Of The Redbay Ambrosia Beetle (Coleoptera: Curculionidae) In The United States, John Formby

Theses and Dissertations

Several native species of Lauraceae (e.g. sassafras) in the southeastern United States are being eradicated by laurel wilt disease. Laurel wilt is caused by a highly invasive and cryptic ambrosia beetle, Xyleborus glabratus, and its fungal symbiont. The symbiont pathogen is spread during colonization of native Lauraceae. Xyleborus glabratus and the pathogen are remarkably effective at colonizing and killing healthy populations of Lauraceae in a brief time period. Control methods have been unable to slow the spread of laurel wilt disease and X. glabratus populations have been spreading into northern latitudes. Presently, cold temperatures may be the only factor limiting …

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Investigating Late Woodland-Period Aquatic Catchments Through Freshwater Mussel Assemblage Composition, Sarah K. Gilleland Aug 2016

Investigating Late Woodland-Period Aquatic Catchments Through Freshwater Mussel Assemblage Composition, Sarah K. Gilleland

Theses and Dissertations

During the Late Woodland Period in the American Southeast, the amount of space that any individual group could exploit began to shrink, due to the presence of other groups on the landscape. Resource expansion occurred to augment food supplies, resulting in increased exploitation of mussel beds. Because mussels can be extremely sensitive to the characteristics of the waterways they live in, the specific habitat requirements of these animals can be used to reconstruct the environments they were recovered from. In this thesis I use freshwater mussel assemblages to reconstruct hypothetical aquatic catchments and map them onto modern rivers in the …

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Isotopic Study Of Diet During The Bronze And Early Iron Ages At Mitrou And Tragana Agia Triada, Greece, Stephanie Fuehr Aug 2016

Isotopic Study Of Diet During The Bronze And Early Iron Ages At Mitrou And Tragana Agia Triada, Greece, Stephanie Fuehr

Theses and Dissertations

The stable isotopes carbon and nitrogen from 18 skeletal and 51 dental samples from various burial contexts at the Bronze and Iron Age sites of Mitrou and Tragana Agia Triada are examined to understand diet in prehistoric central Greece. The samples are compared by cultural period, site, and burial type in order to determine if diet was affected by changes in society or by social status as determined by burial form. In addition, isotopic data from across Greece is compared to understand diet from the Neolithic to Iron Age and in different regions of the country. The results of the …

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Landscape Ecology Of Eastern Wild Turkeys In Mississippi, Annie Moriah Davis Aug 2016

Landscape Ecology Of Eastern Wild Turkeys In Mississippi, Annie Moriah Davis

Theses and Dissertations

The effects of landscape structure on wildlife populations have drawn more attention from ecologists and wildlife managers as landscapes have rapidly changed worldwide. The objectives of this study were to (1) conduct a statewide habitat suitability assessment for wild turkeys (Meleagris gallopavo) in Mississippi using machine learning methods; (2) determine landscape-abundance relationships of wild turkeys at 2 spatial scales; and (3) measure genetic distinction of wild turkey populations in Mississippi. I found that habitat suitability for wild turkeys was positively related to amount of forest cover. Wild turkey relative abundance peaked at an optimal hardwood forest proportion of 0.29 and …

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Faster-X Evolution In The Speciation Of Heliconius Butterflies, Margarita Baquero Aug 2016

Faster-X Evolution In The Speciation Of Heliconius Butterflies, Margarita Baquero

Theses and Dissertations

The X and Z chromosomes have unique characteristics that lead to unique evolutionary consequences. Lepidopterans have a well-known, disproportionately large-Z effect for behavioral and morphological traits that distinguish closely related species. A potential explanation for the Large-X effect is the faster evolution of the sex chromosome (Faster-X evolution). We use whole genome re-sequencing of Heliconius erato races and of the incipient species H. himera to test for faster-Z evolution between hybridizing populations at different reproductive isolation levels, by calculating divergence and nucleotide diversity. We show evidence for Faster-Z evolution in Heliconius butterflies at the early stages of speciation and along …

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Head Of Household Socioeconomic Status Effect On Dietary Intake Of Children, Samantha Ann Willcutt Aug 2016

Head Of Household Socioeconomic Status Effect On Dietary Intake Of Children, Samantha Ann Willcutt

Theses and Dissertations

Obesity is considered an epidemic and a precursor for many diseases. Children from lower income families are more likely to be obese, however previous studies on differences in child dietary intake based on parental income show mixed results. This study used NHANES 2005-2010 data to examine reported food consumption of children ages 6 to 11. Comparisons were made between children (n = 1433) of lower income parents (PIR <= 1.85) and children (n = 1162) of higher income parents (PIR > 1.85). Variables included total fruit and vegetable intake, total energy, food groups, oils, fiber, total sugar, added sugars and solid fats. SUDAAN was used to analyze data and differences were significant at …

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Functions Of Wetland Plant Assemblages On Water Quality Improvement, Evelyn Louise Windham Aug 2016

Functions Of Wetland Plant Assemblages On Water Quality Improvement, Evelyn Louise Windham

Theses and Dissertations

Studies have shown wetlands act as filters for nutrient rich waters, in part due to macrophyte properties. Differences have been found in nitrogen removal rates among plant species in studies of monocultures grown in mesocosms mimicking wastewater treatment constructed wetlands, but little research has been done on assemblages in natural or restored wetlands. This study aims to identify differences in water quality among plant assemblages in natural and restored wetlands. Thirty natural and restored wetlands in the Mississippi portion of the Mississippi Alluvial Valley were sampled four times. Water quality was measured and plant assemblages identified. Significant differences in pH, …

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Novirhabdovirus Infection In Wild-Type And Rag1 Mutant Zebrafish Suggests Roles Of Lymphocytes In Resistance, Du Ngoc Nguyen Aug 2016

Novirhabdovirus Infection In Wild-Type And Rag1 Mutant Zebrafish Suggests Roles Of Lymphocytes In Resistance, Du Ngoc Nguyen

Theses and Dissertations

Disease development of wild-type and Rag1 mutant zebrafish was evaluated after challenge with Snakehead Rhabdovirus (SHRV), a novirhabdovirus. Rag1 mutants lack T and B lymphocytes and thus lack lymphocyte-based acquired immunity. Wild-type zebrafish became more disease resistant as they aged (4 months and older) and at an elevated temperature (28°C) but mutants remained sensitive at all ages and temperatures tested. Quantitative reverse transcription polymerase chain reaction (RT qPCR) demonstrated that interferon gamma and MxA expression significantly increased in both types of fish at 2 days post-infection with subsequent dwindling of expression. The high interferon gamma expression suggests activation of natural …

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Soybean Yield And Biomass Response To Supplemental Nitrogen Fertilization, Justin Michael Mccoy Aug 2016

Soybean Yield And Biomass Response To Supplemental Nitrogen Fertilization, Justin Michael Mccoy

Theses and Dissertations

Soybean (Glycine max [L.] Merr.) has become one of the main agricultural grain crops produced in the United States. Soybean production continues to increase in high-yield environments throughout the U.S. New innovations are required to sustain gains in soybean yield potential. Field experiments were conducted at the Delta Research and Extension Center in Stoneville, MS in 2014 and 2015 to evaluate soybean aboveground biomass and grain yield response to supplemental N fertilization in a high-yielding environment on two soil textures commonly cropped to soybean in Mississippi. Greenhouse studies were conducted in 2016 at the Delta Research and Extension Center in …

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